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Year 2023 (9 Publications)

Year 2022 (13 Publications)

  • Sensor-based jump detection and classification with machine learning in trampoline gymnastics.

    Woltmann, L.; Hartmann, C.; Lehner, W.; Rausch, P.; Ferger, K.

    In German Journal of Exercise and Sport Research.Springer,2022.Links: https://doi.org/10.1007/s12662-022-00866-3.

    @article{,
       author = {Lucas Woltmann and Claudio Hartmann and Wolfgang Lehner and Paul Rausch and Katja Ferger},
       title = {Sensor-based jump detection and classification with machine learning in trampoline gymnastics},
       journal = {German Journal of Exercise and Sport Research},
       year = {2022},
       month = {12},
       url = {https://doi.org/10.1007/s12662-022-00866-3},
       publisher = {Springer}
    }

  • Extracting Operator Trees from Model Embeddings

    Extracting Operator Trees from Model Embeddings.

    Reusch, A.; Lehner, W.

    To appear in Proceedings of the 1st MathNLP Workshop.MathNLP '22, Adu Dhabi, UAE.2022.

    @inproceedings{,
       author = {Anja Reusch and Wolfgang Lehner},
       title = {Extracting Operator Trees from Model Embeddings},
       booktitle = {Proceedings of the 1st MathNLP Workshop},
       year = {2022},
       month = {12},
       location = {Adu Dhabi, UAE},
       numpages = {5}
    }

  • Exercise assessment in trampoline sport by automated jump classification.

    Woltmann, L.; Ferger, K.; Hartmann, C.; Lehner, W.

    In spinfortec2022 : Tagungsband zum 14. Symposium der Sektion Sportinformatik und Sporttechnologie der Deutschen Vereinigung für Sportwissenschaft (dvs).spinfortec22, Chemnitz.2022.Links: https://nbn-resolving.org/urn:nbn:de:bsz:ch1-qucosa2-807539.

    @conference{,
       author = {Lucas Woltmann and Katja Ferger and Claudio Hartmann and Wolfgang Lehner},
       title = {Exercise assessment in trampoline sport by automated jump classification},
       booktitle = {spinfortec2022 : Tagungsband zum 14. Symposium der Sektion Sportinformatik und Sporttechnologie der Deutschen Vereinigung f\"{u}r Sportwissenschaft (dvs)},
       year = {2022},
       month = {10},
       location = {Chemnitz},
       url = {https://nbn-resolving.org/urn:nbn:de:bsz:ch1-qucosa2-807539}
    }

  • To Softmax, or not to Softmax: that is the question when applying Active Learning for Transformer Models.

    Gonsior, J.; Falkenberg, C.; Magino, S.; Reusch, A.; Thiele, M.; Lehner, W.

    In arXiv preprint arXiv:2210.03005.2022.Links: Source Code: https://github.com/jgonsior/btw-softmax-clipping.

    @unpublished{,
       author = {Julius Gonsior and Christian Falkenberg and Silvio Magino and Anja Reusch and Maik Thiele and Wolfgang Lehner},
       title = {To Softmax, or not to Softmax: that is the question when applying Active Learning for Transformer Models},
       booktitle = {arXiv preprint arXiv:2210.03005},
       year = {2022},
       month = {10},
       numpages = {11},
       url = {https://arxiv.org/abs/2210.03005}
    }

  • Turbo-Charging SPJ Query Plans with Learned Physical Join Operator Selections.

    Hertzschuch, A.; Hartmann, C.; Habich, D.; Lehner, W.

    VLDB Endowment,2022.

    @conference{,
       author = {Axel Hertzschuch and Claudio Hartmann and Dirk Habich and Wolfgang Lehner},
       title = {Turbo-Charging SPJ Query Plans with Learned Physical Join Operator Selections},
       year = {2022},
       month = {9},
       isbn = {978-1-4503-8343-1/21/06},
       numpages = {13},
       url = {https://vldb.org/pvldb/vol15/p2706-hertzschuch.pdf},
       publisher = {VLDB Endowment}
    }

  • Remote Direct Memory Access as Communication Tier for Disaggregated Database Systems.

    Geyer, A.; Krause, A.; Habich, D.; Lehner, W.

    GvDB 22, Dresden.2022.

    @conference{,
       author = {Andreas Geyer and Alexander Krause and Dirk Habich and Wolfgang Lehner},
       title = {Remote Direct Memory Access as Communication Tier for Disaggregated Database Systems},
       year = {2022},
       month = {06},
       location = {Dresden},
       numpages = {6},
       url = {https://sites.google.com/view/33-gvdb-workshop/home}
    }

  • To use or not to use the SIMD gather instruction?

    Habich, D.; Pietrzyk, J.; Krause, A.; Lehner, W.; Hildebrandt, J.

    In International Conference on Management of Data, DaMoN 2022, Philadelphia, PA, USA, 13 June 2022.DaMoN 2022, Philadelphia.ACM,9:1-9:5,2022.

    @inproceedings{,
       author = {Dirk Habich and Johannes Pietrzyk and Alexander Krause and Wolfgang Lehner and Juliana Hildebrandt},
       title = {To use or not to use the SIMD gather instruction?},
       booktitle = {International Conference on Management of Data, DaMoN 2022, Philadelphia, PA, USA, 13 June 2022},
       year = {2022},
       month = {6},
       location = {Philadelphia},
       pages = {9},
       numpages = {2},
       url = {https://doi.org/10.1145/3533737.3535089},
       publisher = {ACM},
       keywords = {SIMD, Gather, Experiments, Access Pattern}
    }

  • Ingredient-based Forecast of Sold Dish Portions in Campus Canteen Kitchens.

    Woltmann, L.; Drechsel, J.; Hartmann, C.; Lehner, W.

    In 2022 IEEE 38th International Conference on Data Engineering Workshops (ICDEW).ICDE '222022.Links: https://ieeexplore.ieee.org/abstract/document/9814582.

    @inproceedings{,
       author = {Lucas Woltmann and Jonathan Drechsel and Claudio Hartmann and Wolfgang Lehner},
       title = {Ingredient-based Forecast of Sold Dish Portions in Campus Canteen Kitchens},
       booktitle = {2022 IEEE 38th International Conference on Data Engineering Workshops (ICDEW)},
       year = {2022},
       month = {05},
       url = {https://doi.org/10.1109/ICDEW55742.2022.00023}
    }

  • BOUNCE: Memory-Efficient SIMD Approach for Lightweight Integer Compression.

    Hildebrandt, J.; Habich, D.; Lehner, W.

    In 38th IEEE International Conference on Data Engineering Workshops, ICDE Workshops 2022, Kuala Lumpur, Malaysia, May 9, 2022.ICDE 2022, Kuala Lumpur, Malaysia, May 9, 2022.IEEE,123-128,2022.

    @conference{,
       author = {Juliana Hildebrandt and Dirk Habich and Wolfgang Lehner},
       title = {BOUNCE: Memory-Efficient SIMD Approach for Lightweight Integer Compression.},
       booktitle = {38th IEEE International Conference on Data Engineering Workshops, ICDE Workshops 2022, Kuala Lumpur, Malaysia, May 9, 2022},
       year = {2022},
       month = {5},
       location = {Kuala Lumpur, Malaysia, May 9, 2022},
       pages = {123--128},
       numpages = {5},
       url = {https://doi.org/10.1109/ICDEW55742.2022.00025},
       publisher = {IEEE}
    }

  • ALWars: Combat-Based Evaluation of Active Learning Strategies.

    Gonsior, J.; Krude, J.; Schönfelder, J.; Thiele, M.; Lehner, W.

    In ECIR 2022: Advances in Information Retrieval.Springer, Cham,2022.Links: https://github.com/etikedi/etikedi/.

    @conference{,
       author = {Julius Gonsior and Jakob Krude and Janik Sch\"{o}nfelder and Maik Thiele and Wolfgang Lehner},
       title = {ALWars: Combat-Based Evaluation of Active Learning Strategies},
       booktitle = {ECIR 2022: Advances in Information Retrieval},
       series = {Part of the Lecture Notes in Computer Science book series (LNCS,volume 13186)},
       year = {2022},
       month = {04},
       location = {Stavanger, Norway},
       numpages = {4},
       url = {https://link.springer.com/chapter/10.1007/978-3-030-99739-7_36},
       publisher = {Springer, Cham},
       keywords = {Active learning,Python,GUI,Machine learning,Demo}
    }

  • DAPHNE: An Open and Extensible System Infrastructure for Integrated Data Analysis Pipelines.

    Damme, P.; Habich, D.; Mier, E.; Krause, A.; Lehner, W.

    In Conference on Innovative Data Systems Research.CIDR 20222022.Links: http://cidrdb.org/cidr2022/papers/p4-damme.pdf.

    @inproceedings{,
       author = {Patrick Damme and Dirk Habich and Eric Mier and Alexander Krause and Wolfgang Lehner},
       title = {DAPHNE: An Open and Extensible System Infrastructure for Integrated Data Analysis Pipelines},
       booktitle = {Conference on Innovative Data Systems Research},
       year = {2022},
       month = {01},
       numpages = {12},
       url = {http://cidrdb.org/cidr2022/papers/p4-damme.pdf}
    }

  • Aggregate-based Training Phase for ML-based Cardinality Estimation.

    Woltmann, L.; Hartmann, C.; Habich, D.; Lehner, W.

    In Datenbank Spektrum.Springer Berlin Heidelberg,1-13,2022.Links: https://link.springer.com/article/10.1007/s13222-021-00400-z.

    @article{,
       author = {Lucas Woltmann and Claudio Hartmann and Dirk Habich and Wolfgang Lehner},
       title = {Aggregate-based Training Phase for ML-based Cardinality Estimation},
       journal = {Datenbank Spektrum},
       volume = {22/1},
       year = {2022},
       month = {01},
       pages = {1--13},
       url = {https://doi.org/10.1007/s13222-021-00400-z},
       publisher = {Springer Berlin Heidelberg}
    }

  • Towards A General SIMD Concurrent Approach to Accelerating Integer Compression Algorithms.

    Hildebrandt, J.; Habich, D.; Lehner, W.

    In Proceedings of the 25th International Conference on Extending Database Technology, EDBT 2022, Edinburgh, UK, March 29 - April 1, 2022.OpenProceedings.org,2:414--2:418,2022.

    @conference{,
       author = {Juliana Hildebrandt and Dirk Habich and Wolfgang Lehner},
       title = {Towards A General SIMD Concurrent Approach to Accelerating Integer Compression Algorithms.},
       booktitle = {Proceedings of the 25th International Conference on Extending Database Technology, EDBT 2022, Edinburgh, UK, March 29 - April 1, 2022},
       year = {2022},
       month = {1},
       location = {Edinburgh, UK},
       pages = {2},
       numpages = {5},
       url = {www.doi.org/10.48786/edbt.2022.32},
       publisher = {OpenProceedings.org}
    }

Year 2021 (13 Publications)

  • Data Science Meets High-Tech Manufacturing – The BTW 2021 Data Science Challenge.

    Woltmann, L.; Hartmann, C.; Lehner, W.

    In Datenbank Spektrum.Springer Nature,1-6,2021.Links: https://link.springer.com/article/10.1007/s13222-021-00398-4.

    @article{,
       author = {Lucas Woltmann and Claudio Hartmann and Wolfgang Lehner},
       title = {Data Science Meets High-Tech Manufacturing \&\#8211; The BTW 2021 Data Science Challenge},
       journal = {Datenbank Spektrum},
       volume = {22},
       year = {2021},
       month = {12},
       pages = {1--6},
       numpages = {6},
       url = {https://doi.org/10.1007/s13222-021-00398-4},
       publisher = {Springer Nature}
    }

  • Teaching BERT Mathematics

    Teaching BERT Mathematics.

    Reusch, A.; Thiele, M.; Lehner, W.

    SciNLP 20212021.

    @article{,
       author = {Anja Reusch and Maik Thiele and Wolfgang Lehner},
       title = {Teaching BERT Mathematics},
       year = {2021},
       month = {10},
       numpages = {2}
    }

  • TU_DBS in the ARQMath Lab 2021, CLEF

    TU_DBS in the ARQMath Lab 2021, CLEF.

    Reusch, A.; Thiele, M.; Lehner, W.

    In CEUR Workshop Proceedings.CLEF '21, Online.2021.

    @inproceedings{,
       author = {Anja Reusch and Maik Thiele and Wolfgang Lehner},
       title = {TU_DBS in the ARQMath Lab 2021, CLEF},
       booktitle = {CEUR Workshop Proceedings},
       year = {2021},
       month = {09},
       isbn = {978-1-6654-4890-1/21},
       location = {Online},
       numpages = {18}
    }

  • Aggregate-based Training Phase for ML-based Cardinality Estimation.

    Woltmann, L.; Hartmann, C.; Habich, D.; Lehner, W.

    In Lecture Notes in Informatics.BTW'21Gesellschaft für Informatik,2021.Links: https://dl.gi.de/handle/20.500.12116/35812.

    @inproceedings{,
       author = {Lucas Woltmann and Claudio Hartmann and Dirk Habich and Wolfgang Lehner},
       title = {Aggregate-based Training Phase for ML-based Cardinality Estimation},
       booktitle = {Lecture Notes in Informatics},
       year = {2021},
       month = {09},
       url = {https://dx.doi.org/10.18420/btw2021-07},
       publisher = {Gesellschaft f\"{u}r Informatik}
    }

  • ImitAL: Learning Active Learning Strategies from Synthetic Data.

    Gonsior, J.; Thiele, M.; Lehner, W.

    In arXiv preprint arXiv:2108.07670.2021.

    @unpublished{,
       author = {Julius Gonsior and Maik Thiele and Wolfgang Lehner},
       title = {ImitAL: Learning Active Learning Strategies from Synthetic Data},
       booktitle = {arXiv preprint arXiv:2108.07670},
       year = {2021},
       month = {08},
       numpages = {11},
       url = {https://arxiv.org/abs/2108.07670}
    }

  • PostCENN: PostgreSQL with Machine Learning Models for Cardinality Estimation.

    Woltmann, L.; Hartmann, C.; Habich, D.; Lehner, W.

    In Proceedings of the VLDB Endowment.In Proc. VLDB Endow.VLDB 2021VLDB Endowment,2715-2718,2021.Links: PDF.

    @inproceedings{,
       author = {Lucas Woltmann and Claudio Hartmann and Dirk Habich and Wolfgang Lehner},
       title = {PostCENN: PostgreSQL with Machine Learning Models for Cardinality Estimation},
       booktitle = {Proceedings of the VLDB Endowment},
       journal = {Proc. VLDB Endow.},
       volume = {14},
       year = {2021},
       month = {08},
       pages = {2715--2718},
       numpages = {4},
       url = {https://doi.org/10.14778/3476311.3476327},
       publisher = {VLDB Endowment}
    }

  • An ALBERT-based Similarity Measure for Mathematical Answer Retrieval

    An ALBERT-based Similarity Measure for Mathematical Answer Retrieval.

    Reusch, A.; Thiele, M.; Lehner, W.

    In Proceedings of the 44th International ACM SIGIR Conference on Research and Development in Information Retrieval.SIGIR '21, Online.1593-1597,2021.

    @inproceedings{,
       author = {Anja Reusch and Maik Thiele and Wolfgang Lehner},
       title = {An ALBERT-based Similarity Measure for Mathematical Answer Retrieval},
       booktitle = {Proceedings of the 44th International ACM SIGIR Conference on Research and Development in Information Retrieval.},
       volume = {44},
       year = {2021},
       month = {07},
       isbn = {978-1-4503-8037-9/21/07},
       location = {Online},
       pages = {1593--1597},
       numpages = {4},
       url = {https://doi.org/10.1145/3404835.3463023}
    }

  • A GraphBLAS implementation in pure Java.

    Dörre, F.; Krause, A.; Habich, D.; Junghanns, M.

    To appear in Joint Workshop on Graph Data Management Experiences & Systems (GRADES) and Network Data Analytics (NDA).GRADES '21, Xi'an, Shaanxi, China.ACM,2021.

    @conference{,
       author = {Florentin D\"{o}rre and Alexander Krause and Dirk Habich and Martin Junghanns},
       title = {A GraphBLAS implementation in pure Java},
       booktitle = {Joint Workshop on Graph Data Management Experiences \& Systems (GRADES) and Network Data Analytics (NDA)},
       year = {2021},
       month = {6},
       location = {Xi'an, Shaanxi, China},
       numpages = {8},
       publisher = {ACM}
    }

  • Pre-Trained Web Table Embeddings for Table Discovery

    Pre-Trained Web Table Embeddings for Table Discovery.

    Günther, M.; Thiele, M.; Gonsior, J.; Lehner, W.

    In aiDM '21: Fourth Workshop in Exploiting AI Techniques for Data Management.2021.

    @article{,
       author = {Michael G\"{u}nther and Maik Thiele and Julius Gonsior and Wolfgang Lehner},
       title = {Pre-Trained Web Table Embeddings for Table Discovery},
       booktitle = {aiDM '21: Fourth Workshop in Exploiting AI Techniques for Data Management},
       year = {2021},
       month = {06},
       numpages = {8},
       url = {https://dl.acm.org/doi/abs/10.1145/3464509.3464892}
    }

  • SIMD-MIMD Cocktail in a Hybrid Memory Glass: Shaken, not Stirred.

    Zarubin, M.; Damme, P.; Krause, A.; Habich, D.; Lehner, W.

    In The 14th ACM International Systems and Storage Conference.SYSTOR '21, Haifa, Israel.ACM,2021.

    @conference{,
       author = {Mikhail Zarubin and Patrick Damme and Alexander Krause and Dirk Habich and Wolfgang Lehner},
       title = {SIMD-MIMD Cocktail in a Hybrid Memory Glass: Shaken, not Stirred},
       booktitle = {The 14th ACM International Systems and Storage Conference},
       year = {2021},
       month = {6},
       isbn = {978-1-4503-8398-1/21/06},
       location = {Haifa, Israel},
       numpages = {10},
       url = {https://doi.org/10.1145/3456727.3463782},
       publisher = {ACM}
    }

  • Small Selectivities Matter: Lifting the Burden of Empty Samples.

    Hertzschuch, A.; Moerkotte, G.; Lehner, W.; May, N.; Wolf, F.; Fricke, L.

    ACM,2021.

    @conference{,
       author = {Axel Hertzschuch and Guido Moerkotte and Wolfgang Lehner and Norman May and Florian Wolf and Lars Fricke},
       title = {Small Selectivities Matter: Lifting the Burden of Empty Samples},
       year = {2021},
       month = {6},
       isbn = {978-1-4503-8343-1/21/06},
       numpages = {13},
       url = {https://dl.acm.org/doi/10.1145/3448016.3452805},
       publisher = {ACM}
    }

  • RecipeGM: A Hierarchical Recipe Generation Model

    RecipeGM: A Hierarchical Recipe Generation Model.

    Reusch, A.; Weber, A.; Thiele, M.; Lehner, W.

    In 2021 IEEE 37th International Conference on Data Engineering Workshops (ICDEW).ICDEW '21, Online.IEEE,24-29,2021.

    @inproceedings{,
       author = {Anja Reusch and Alexander Weber and Maik Thiele and Wolfgang Lehner},
       title = {RecipeGM: A Hierarchical Recipe Generation Model},
       booktitle = {2021 IEEE 37th International Conference on Data Engineering Workshops (ICDEW)},
       volume = {37},
       year = {2021},
       month = {04},
       isbn = {978-1-6654-4890-1/21},
       location = {Online},
       pages = {24--29},
       numpages = {5},
       url = {https://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=9438787},
       publisher = {IEEE}
    }

  • Simplicity Done Right for Join Ordering.

    Hertzschuch, A.; Hartmann, C.; Habich, D.; Lehner, W.

    2021.

    @inproceedings{,
       author = {Axel Hertzschuch and Claudio Hartmann and Dirk Habich and Wolfgang Lehner},
       title = {Simplicity Done Right for Join Ordering},
       year = {2021},
       month = {1},
       url = {http://cidrdb.org/cidr2021/papers/cidr2021_paper01.pdf}
    }

Year 2020 (13 Publications)

  • WeakAL: Combining Active Learning and Weak Supervision.

    Gonsior, J.; Thiele, M.; Lehner, W.

    Appice A., Tsoumakas G., Manolopoulos Y., Matwin S. (eds) Discovery Science. DS 2020. Lecture Notes in Computer Science, vol 12323Springer, Cham,2020.

    @article{,
       author = {Julius Gonsior and Maik Thiele and Wolfgang Lehner},
       title = {WeakAL: Combining Active Learning and Weak Supervision},
       series = {Lecture Notes in Computer Science},
       volume = {12323},
       year = {2020},
       month = {10},
       isbn = {978-3-030-61527-7},
       numpages = {15},
       url = {https://doi.org/10.1007/978-3-030-61527-7_3},
       publisher = {Springer, Cham}
    }

  • Learning from Textual Data in Database Systems

    Learning from Textual Data in Database Systems.

    Günther, M.; Oehme, P.; Thiele, M.; Lehner, W.

    In Proceedings of the 29th ACM International Conference on Information & Knowledge Management.ACM,375-384,2020.

    @inproceedings{,
       author = {Michael G\"{u}nther and Philipp Oehme and Maik Thiele and Wolfgang Lehner},
       title = {Learning from Textual Data in Database Systems},
       booktitle = {Proceedings of the 29th ACM International Conference on Information \& Knowledge Management},
       year = {2020},
       month = {10},
       pages = {375--384},
       numpages = {10},
       url = {https://doi.org/10.1145/3340531.3412056},
       publisher = {ACM}
    }

  • MorphStore: Analytical Query Engine with a Holistic Compression-Enabled Processing Model.

    Damme, P.; Ungethüm, A.; Pietrzyk, J.; Krause, A.; Habich, D.; Lehner, W.

    In Proceedings of the VLDB Endowment.2396-2410,2020.

    @article{,
       author = {Patrick Damme and Annett Ungeth\"{u}m and Johannes Pietrzyk and Alexander Krause and Dirk Habich and Wolfgang Lehner},
       title = {MorphStore: Analytical Query Engine with a Holistic Compression-Enabled Processing Model},
       journal = {Proceedings of the VLDB Endowment},
       volume = {13},
       year = {2020},
       month = {9},
       pages = {2396--2410},
       url = {https://doi.org/10.14778/3407790.3407833}
    }

  • To share or not to share vector registers?

    Pietrzyk, J.; Habich, D.; Lehner, W.

    In Proceedings of the 16th International Workshop on Data Management on New Hardware.Association for Computing Machinery,1-10,2020.

    @article{,
       author = {Johannes Pietrzyk and Dirk Habich and Wolfgang Lehner},
       title = {To share or not to share vector registers?},
       booktitle = {Proceedings of the 16th International Workshop on Data Management on New Hardware},
       series = {DaMoN '20},
       year = {2020},
       month = {6},
       isbn = {9781450380249},
       pages = {1--10},
       numpages = {10},
       url = {https://doi.org/10.1145/3399666.3399923},
       publisher = {Association for Computing Machinery},
       address = {New York, NY, USA}
    }

  • Best of both worlds: combining traditional and machine learning models for cardinality estimation.

    Woltmann, L.; Hartmann, C.; Habich, D.; Lehner, W.

    In Proceedings of the Second International Workshop on Exploiting Artificial Intelligence Techniques for Data Management.SIGMOD aiDM '202020.Links: https://doi.org/10.1145/3401071.3401658.

    @inproceedings{,
       author = {Lucas Woltmann and Claudio Hartmann and Dirk Habich and Wolfgang Lehner},
       title = {Best of both worlds: combining traditional and machine learning models for cardinality estimation},
       booktitle = {Proceedings of the Second International Workshop on Exploiting Artificial Intelligence Techniques for Data Management},
       year = {2020},
       month = {6},
       url = {https://doi.org/10.1145/3401071.3401658}
    }

  • Feature-aware forecasting of large-scale time series data sets.

    Hartmann, C.; Kegel, L.; Lehner, W.

    In it - Information Technology.2020.

    @article{,
       author = {Claudio Hartmann and Lars Kegel and Wolfgang Lehner},
       title = {Feature-aware forecasting of large-scale time series data sets},
       journal = {it - Information Technology},
       year = {2020},
       month = {6},
       url = {https://doi.org/10.1515/itit-2019-0035}
    }

  • Polymorphic Compressed Replication of Columnar Data in Scale-Up Hybrid Memory Systems.

    Zarubin, M.; Damme, P.; Habich, D.; Lehner, W.

    In The 13th ACM International Systems and Storage Conference.SYSTOR '20, Haifa, Israel.ACM,2020.

    @conference{,
       author = {Mikhail Zarubin and Patrick Damme and Dirk Habich and Wolfgang Lehner},
       title = {Polymorphic Compressed Replication of Columnar Data in Scale-Up Hybrid Memory Systems},
       booktitle = {The 13th ACM International Systems and Storage Conference},
       year = {2020},
       month = {6},
       isbn = {978-1-4503-7588-7/20/06},
       location = {Haifa, Israel},
       numpages = {10},
       url = {https://doi.org/10.1145/3383669.3398283},
       publisher = {ACM}
    }

  • FacetE: Exploiting Web Tables for Domain-Specific Word Embedding Evaluation

    FacetE: Exploiting Web Tables for Domain-Specific Word Embedding Evaluation.

    Günther, M.; Sikorski, P.; Thiele, M.; Lehner, W.

    In Proceedings of the Workshop on Testing Database Systems.ACM,1-6,2020.

    @inproceedings{,
       author = {Michael G\"{u}nther and Paul Sikorski and Maik Thiele and Wolfgang Lehner},
       title = {FacetE: Exploiting Web Tables for Domain-Specific Word Embedding Evaluation},
       booktitle = {Proceedings of the Workshop on Testing Database Systems},
       year = {2020},
       month = {6},
       pages = {1--6},
       numpages = {6},
       url = {https://doi.org/10.1145/3395032.3395325},
       publisher = {ACM}
    }

  • Active Learning for Spreadsheet Cell Classification.

    Gonsior, J.; Rehak, J.; Thiele, M.; Koci, E.; Günther, M.; Lehner, W.

    In Workshop Proceedings of the EDBT/ICTDT 2020 Joint Conference.2020.

    @article{,
       author = {Julius Gonsior and Josephine Rehak and Maik Thiele and Elvis Koci and Michael G\"{u}nther and Wolfgang Lehner},
       title = {Active Learning for Spreadsheet Cell Classification},
       journal = {Workshop Proceedings of the EDBT/ICTDT 2020 Joint Conference},
       year = {2020},
       month = {3},
       numpages = {6},
       url = {https://sea-data.ml/}
    }

  • Retro: Relation Retrofitting For In-Database Machine Learning on Textual Data

    Retro: Relation Retrofitting For In-Database Machine Learning on Textual Data.

    Günther, M.; Thiele, M.; Lehner, W.

    In Proceedings of the 23rd International Conference on Extending Database Technology (EDBT).OpenProceedings.org,2020.

    @conference{,
       author = {Michael G\"{u}nther and Maik Thiele and Wolfgang Lehner},
       title = {Retro: Relation Retrofitting For In-Database Machine Learning on Textual Data},
       booktitle = {Proceedings of the 23rd International Conference on Extending Database Technology (EDBT)},
       year = {2020},
       month = {3},
       url = {https://doi.org/10.5441/002/edbt.2020.45},
       publisher = {OpenProceedings.org}
    }

  • RetroLive: Analysis of Relational Retrofitted Word Embeddings

    RetroLive: Analysis of Relational Retrofitted Word Embeddings.

    Günther, M.; Thiele, M.; Nikulski, E.; Lehner, W.

    In Proceedings of the 23rd International Conference on Extending Database Technology (EDBT).OpenProceedings.org,607-610,2020.

    @conference{,
       author = {Michael G\"{u}nther and Maik Thiele and Erik Nikulski and Wolfgang Lehner},
       title = {RetroLive: Analysis of Relational Retrofitted Word Embeddings},
       booktitle = {Proceedings of the 23rd International Conference on Extending Database Technology (EDBT)},
       year = {2020},
       month = {3},
       pages = {607--610},
       numpages = {4},
       url = {https://doi.org/10.5441/002/edbt.2020.75},
       publisher = {OpenProceedings.org}
    }

  • Hardware-Oblivious SIMD Parallelism for In-Memory Column-Stores

    Hardware-Oblivious SIMD Parallelism for In-Memory Column-Stores.

    Ungethüm, A.; Pietrzyk, J.; Damme, P.; Krause, A.; Habich, D.; Lehner, W.; Focht, E.

    CIDR '202020.

    @article{,
       author = {Annett Ungeth\"{u}m and Johannes Pietrzyk and Patrick Damme and Alexander Krause and Dirk Habich and Wolfgang Lehner and Erich Focht},
       title = {Hardware-Oblivious SIMD Parallelism for In-Memory Column-Stores},
       year = {2020},
       month = {1},
       numpages = {9},
       url = {http://cidrdb.org/cidr2020/papers/p28-ungethuem-cidr20.pdf}
    }

  • alpha to omega: the G(r)eek Alphabet of Sampling.

    Moerkotte, G.; Hertzschuch, A.

    2020.

    @article{,
       author = {Guido Moerkotte and Axel Hertzschuch},
       title = {alpha to omega: the G(r)eek Alphabet of Sampling},
       year = {2020},
       month = {1},
       url = {https://dblp.org/rec/conf/cidr/MoerkotteH20.html}
    }

Year 2019 (20 Publications)

  • Evaluating the Vector Supercomputer SX-Aurora TSUBASA as a Co-Processor for In-Memory Database Systems.

    Pietrzyk, J.; Habich, D.; Damme, P.; Focht, E.; Lehner, W.

    In Datenbank Spektrum.Springer,183-197,2019.

    @article{,
       author = {Johannes Pietrzyk and Dirk Habich and Patrick Damme and Erich Focht and Wolfgang Lehner},
       title = {Evaluating the Vector Supercomputer SX-Aurora TSUBASA as a Co-Processor for In-Memory Database Systems},
       journal = {Datenbank Spektrum},
       series = {19},
       volume = {3},
       year = {2019},
       month = {11},
       pages = {183--197},
       numpages = {14},
       url = {https://doi.org/10.1007/s13222-019-00323-w},
       publisher = {Springer}
    }

  • XLIndy: Interactive Recognition and Information Extraction in Spreadsheets.

    Romero, O.; Koci, E.; Lehner, W.; Thiele, M.; Gonsior, J.

    In The 19th ACM Symposium on Document Engineering (DocEng).2019.

    @article{,
       author = {Oscar Romero and Elvis Koci and Wolfgang Lehner and Maik Thiele and Julius Gonsior},
       title = {XLIndy: Interactive Recognition and Information Extraction in Spreadsheets},
       booktitle = {The 19th ACM Symposium on Document Engineering (DocEng)},
       year = {2019},
       month = {09},
       numpages = {4},
       url = {https://doceng.org/doceng2019}
    }

  • A Genetic-based Search for Adaptive Table Recognition in Spreadsheets.

    Romero, O.; Koci, E.; Lehner, W.; Thiele, M.

    To appear in International Conference on Document Analysis and Recognition (ICDAR).2019.

    @article{,
       author = {Oscar Romero and Elvis Koci and Wolfgang Lehner and Maik Thiele},
       title = {A Genetic-based Search for Adaptive Table Recognition in Spreadsheets},
       booktitle = {International Conference on Document Analysis and Recognition (ICDAR)},
       year = {2019},
       month = {09},
       numpages = {6},
       url = {https://icdar2019.org/},
       crossref = {DBLP:conf/icdar/}
    }

  • DECO: A Dataset of Annotated Spreadsheets for Layout and Table Recognition.

    Romero, O.; Koci, E.; Lehner, W.; Thiele, M.

    To appear in International Conference on Document Analysis and Recognition (ICDAR).2019.

    @article{,
       author = {Oscar Romero and Elvis Koci and Wolfgang Lehner and Maik Thiele},
       title = {DECO: A Dataset of Annotated Spreadsheets for Layout and Table Recognition},
       booktitle = {International Conference on Document Analysis and Recognition (ICDAR)},
       year = {2019},
       month = {09},
       location = {Sydney, Australia},
       numpages = {6},
       url = {https://icdar2019.org/},
       keywords = {Spreadsheet, Dataset, Enron, Corpus, Annotation, Recognition, Layout, Table, Templates},
       crossref = {DBLP:conf/icdar/}
    }

  • High-Throughput BitPacking Compression.

    Jahan, N.; Tuan, N.; Habich, D.; Kumar, A.; Lehner, W.

    In 22nd Euromicro Conference on Digital System Design.DSD 2019, Kallithea, Greece.643-646,2019.

    @conference{,
       author = {Nusrat Lisa Jahan and Nguyen Duy Anh Tuan and Dirk Habich and Akash Kumar and Wolfgang Lehner},
       title = {High-Throughput BitPacking Compression},
       booktitle = {22nd Euromicro Conference on Digital System Design},
       year = {2019},
       month = {8},
       location = {Kallithea, Greece},
       pages = {643--646},
       numpages = {4},
       url = {https://doi.org/10.1109/DSD.2019.00101}
    }

  • Particulate Matter Matters – The Data Science Challenge @ BTW 2019.

    Woltmann, L.; Hartmann, C.; Lehner, W.

    In Datenbank-Spektrum.Springer Berlin Heidelberg,(S. 165-182),2019.Links: https://link.springer.com/article/10.1007/s13222-019-00322-x.

    @article{,
       author = {Lucas Woltmann and Claudio Hartmann and Wolfgang Lehner},
       title = {Particulate Matter Matters \&\#8211; The Data Science Challenge @ BTW 2019},
       journal = {Datenbank-Spektrum},
       volume = {19},
       year = {2019},
       month = {08},
       pages = {(S. 165-182)},
       url = {https://doi.org/10.1007/s13222-019-00322-x},
       publisher = {Springer Berlin Heidelberg}
    }

  • Cardinality estimation with local deep learning models.

    Woltmann, L.; Hartmann, C.; Thiele, M.; Habich, D.; Lehner, W.

    In Proceedings of the Second International Workshop on Exploiting Artificial Intelligence Techniques for Data Management.SIGMOD aiDM '192019.Links: https://dl.acm.org/citation.cfm?id=3329875.

    @inproceedings{,
       author = {Lucas Woltmann and Claudio Hartmann and Maik Thiele and Dirk Habich and Wolfgang Lehner},
       title = {Cardinality estimation with local deep learning models},
       booktitle = {Proceedings of the Second International Workshop on Exploiting Artificial Intelligence Techniques for Data Management},
       year = {2019},
       month = {7},
       url = {https://doi.org/10.1145/3329859.3329875},
       acmid = {3329875}
    }

  • Efficient Compute Node-Local Replication Mechanisms for NVRAM-Centric Data Structures.

    Zarubin, M.; Kissinger, T.; Habich, D.; Willhalm, T.; Lehner, W.

    In The VLDB Journal.2019.

    @article{,
       author = {Mikhail Zarubin and Thomas Kissinger and Dirk Habich and Thomas Willhalm and Wolfgang Lehner},
       title = {Efficient Compute Node-Local Replication Mechanisms for NVRAM-Centric Data Structures},
       journal = {The VLDB Journal},
       year = {2019},
       month = {7},
       numpages = {21},
       url = {10.1007/s00778-019-00549-w}
    }

  • Integer Compression in NVRAM-centric Data Stores – Comparative Experimental Analysis to DRAM.

    Zarubin, M.; Damme, P.; Kissinger, T.; Habich, D.; Willhalm, T.; Lehner, W.

    In Proceedings of the 15th International Workshop on Data Management on New Hardware.DAMON '19, Amsterdam, Netherlands.ACM,2019.

    @inproceedings{,
       author = {Mikhail Zarubin and Patrick Damme and Thomas Kissinger and Dirk Habich and Thomas Willhalm and Wolfgang Lehner},
       title = {Integer Compression in NVRAM-centric Data Stores \&\#8211; Comparative Experimental Analysis to DRAM},
       booktitle = {Proceedings of the 15th International Workshop on Data Management on New Hardware},
       year = {2019},
       month = {7},
       isbn = {978-1-4503-6801-8},
       location = {Amsterdam, Netherlands},
       numpages = {11},
       url = {http://doi.acm.org/10.1145/3329785.3329923},
       acmid = {3329923},
       publisher = {ACM},
       address = {New York, NY, USA},
       keywords = {analysis, data compression, database systems, in-memory, nvram}
    }

  • FPGA vs. SIMD: Comparison for Main Memory-Based Fast Column Scan.

    Jahan, N.; Ungethüm, A.; Habich, D.; Lehner, W.; Tuan, N.; Kumar, A.

    In Data Management Technologies and Applications.Volume 862,24 pages.Springer International Publishing,116-140,2019.ISBN: 978-3-030-26636-3.

    @book{,
       author = {Nusrat Lisa Jahan and Annett Ungeth\"{u}m and Dirk Habich and Wolfgang Lehner and Nguyen Duy Anh Tuan and Akash Kumar},
       title = {FPGA vs. SIMD: Comparison for Main Memory-Based Fast Column Scan},
       booktitle = {Data Management Technologies and Applications},
       volume = {862},
       year = {2019},
       month = {7},
       isbn = {978-3-030-26636-3},
       pages = {116--140},
       numpages = {24},
       publisher = {Springer International Publishing}
    }

  • First Investigations of the Vector Supercomputer SX-Aurora TSUBASA as a Co-Processor for Database Systems.

    Pietrzyk, J.; Habich, D.; Damme, P.; Lehner, W.

    In BTW 2019-Workshopband.BTW 19Gesellschaft für Informatik, Bonn,33-50,2019.

    @article{,
       author = {Johannes Pietrzyk and Dirk Habich and Patrick Damme and Wolfgang Lehner},
       title = {First Investigations of the Vector Supercomputer SX-Aurora TSUBASA as a Co-Processor for Database Systems},
       booktitle = {BTW 2019-Workshopband},
       year = {2019},
       month = {6},
       isbn = {978-3-88579-684-8},
       pages = {33--50},
       url = {https://dx.doi.org/10.18420/btw2019-ws-03},
       publisher = {Gesellschaft f\"{u}r Informatik, Bonn}
    }

  • Fighting the Duplicates in Hashing: Conflict Detection-aware Vectorization of Linear Probing.

    Pietrzyk, J.; Ungethüm, A.; Habich, D.; Lehner, W.

    In BTW 2019.BTW 19Gesellschaft für Informatik, Bonn,35-53,2019.

    @article{,
       author = {Johannes Pietrzyk and Annett Ungeth\"{u}m and Dirk Habich and Wolfgang Lehner},
       title = {Fighting the Duplicates in Hashing: Conflict Detection-aware Vectorization of Linear Probing},
       booktitle = {BTW 2019},
       year = {2019},
       month = {6},
       isbn = {978-3-88579-683-1},
       pages = {35--53},
       url = {https://dx.doi.org/10.18420/btw2019-04},
       publisher = {Gesellschaft f\"{u}r Informatik, Bonn}
    }

  • MorphStore-In-Memory Query Processing based on Morphing Compressed Intermediates LIVE.

    Habich, D.; Damme, P.; Ungethüm, A.; Pietrzyk, J.; Krause, A.; Hildebrandt, J.; Lehner, W.

    In Proceedings of the 2019 International Conference on Management of Data.SIGMOD '191917-1920,2019.

    @article{,
       author = {Dirk Habich and Patrick Damme and Annett Ungeth\"{u}m and Johannes Pietrzyk and Alexander Krause and Juliana Hildebrandt and Wolfgang Lehner},
       title = {MorphStore-In-Memory Query Processing based on Morphing Compressed Intermediates LIVE},
       booktitle = {Proceedings of the 2019 International Conference on Management of Data},
       year = {2019},
       month = {6},
       isbn = {978-1-4503-5643-5},
       pages = {1917--1920},
       url = {http://dx.doi.org/10.1145/3299869.3320234}
    }

  • Fast Approximated Nearest Neighbor Joins For Relational Database Systems.

    Günther, M.; Thiele, M.; Lehner, W.

    In 18. Fachtagung für "Datenbanksysteme für Business, Technologie und Web.2019.Links: https://dl.gi.de/handle/20.500.12116/21699.

    @conference{,
       author = {Michael G\"{u}nther and Maik Thiele and Wolfgang Lehner},
       title = {Fast Approximated Nearest Neighbor Joins For Relational Database Systems},
       booktitle = {18. Fachtagung f\"{u}r "'Datenbanksysteme f\"{u}r Business, Technologie und Web},
       year = {2019},
       month = {3}
    }

  • Explore FREDDY: Fast Word Embeddings in Database Systems.

    Günther, M.; Yanakiev, Z.; Thiele, M.; Lehner, W.

    2019.Links: https://dl.gi.de/handle/20.500.12116/21724.

    @conference{,
       author = {Michael G\"{u}nther and Zdravko Yanakiev and Maik Thiele and Wolfgang Lehner},
       title = {Explore FREDDY: Fast Word Embeddings in Database Systems},
       year = {2019},
       month = {3}
    }

  • Assessing the Impact of Driving Bans with Data Analysis.

    Woltmann, L.; Hartmann, C.; Lehner, W.

    In BTW 2019 – Workshopband.Gesellschaft für Informatik,(S. 287-296),2019.Links: https://dl.gi.de/handle/20.500.12116/21599.

    @inproceedings{,
       author = {Lucas Woltmann and Claudio Hartmann and Wolfgang Lehner},
       title = {Assessing the Impact of Driving Bans with Data Analysis},
       booktitle = {BTW 2019 – Workshopband.},
       year = {2019},
       month = {3},
       isbn = {978-3-88579-684-8},
       location = {Bonn},
       pages = {(S. 287-296)},
       url = {https://dx.doi.org/10.18420/btw2019-ws-31},
       publisher = {Gesellschaft f\"{u}r Informatik}
    }

  • Large-Scale Time Series Analytics – Novel Approaches for Generation and Prediction.

    Hahmann, M.; Hartmann, C.; Kegel, L.; Lehner, W.

    In Datenbank-Spektrum.2019.Links: Download.

    @article{,
       author = {Martin Hahmann and Claudio Hartmann and Lars Kegel and Wolfgang Lehner},
       title = {Large-Scale Time Series Analytics \&\#8211; Novel Approaches for Generation and Prediction},
       journal = {Datenbank-Spektrum},
       year = {2019},
       month = {1},
       url = {https://doi.org/10.1007/s13222-018-00304-5}
    }

  • CSAR: the cross-sectional autoregression model for short and long-range forecasting.

    Hartmann, C.; Hahmann, M.; Habich, D.; Lehner, W.

    In International Journal of Data Science and Analytics.2019.

    @article{,
       author = {Claudio Hartmann and Martin Hahmann and Dirk Habich and Wolfgang Lehner},
       title = {CSAR: the cross-sectional autoregression model for short and long-range forecasting},
       journal = {International Journal of Data Science and Analytics},
       year = {2019},
       month = {1},
       url = {https://doi.org/10.1007/s41060-018-00169-7}
    }

  • Graph Traversals for Regular Path Queries

    Graph Traversals for Regular Path Queries.

    Tetzel, F.; Kasperovics, R.; Lehner, W.

    In Proceedings of the 2nd Joint International Workshop on Graph Data Management Experiences & Systems (GRADES) and Network Data Analytics (NDA).ACM,1-8,2019.

    @conference{,
       author = {Frank Tetzel and Romans Kasperovics and Wolfgang Lehner},
       title = {Graph Traversals for Regular Path Queries},
       booktitle = {Proceedings of the 2nd Joint International Workshop on Graph Data Management Experiences \& Systems (GRADES) and Network Data Analytics (NDA)},
       year = {2019},
       month = {1},
       isbn = {978-1-4503-6789-9},
       location = {978-1-4503-6789-9},
       pages = {1--8},
       numpages = {8},
       acmid = {3328494},
       publisher = {ACM}
    }

  • From a Comprehensive Experimental Survey to a Cost-based Selection Strategy for Lightweight Integer Compression Algorithms

    From a Comprehensive Experimental Survey to a Cost-based Selection Strategy for Lightweight Integer Compression Algorithms.

    Damme, P.; Ungethüm, A.; Hildebrandt, J.; Habich, D.; Lehner, W.

    In ACM Transactions on Database Systems.9:1-9:46,2019.

    @article{,
       author = {Patrick Damme and Annett Ungeth\"{u}m and Juliana Hildebrandt and Dirk Habich and Wolfgang Lehner},
       title = {From a Comprehensive Experimental Survey to a Cost-based Selection Strategy for Lightweight Integer Compression Algorithms},
       journal = {ACM Transactions on Database Systems},
       volume = {44},
       year = {2019},
       pages = {9},
       url = {https://doi.org/10.1145/3323991}
    }

Year 2018 (20 Publications)

  • ATUN-HL: Auto Tuning of Hybrid Layouts Using Workload and Data Characteristics

    ATUN-HL: Auto Tuning of Hybrid Layouts Using Workload and Data Characteristics.

    Munir, R.; Abelló, A.; Romero, O.; Thiele, M.; Lehner, W.

    ADBIS, Budapest, Hungary.Springer,200-215,2018.

    @conference{,
       author = {Rana Faisal Munir and Alberto Abelló and Oscar Romero and Maik Thiele and Wolfgang Lehner},
       title = {ATUN-HL: Auto Tuning of Hybrid Layouts Using Workload and Data Characteristics},
       year = {2018},
       month = {9},
       isbn = {978-3-319-98397-4},
       location = {Budapest, Hungary},
       pages = {200--215},
       numpages = {15},
       url = {https://doi.org/10.1007/978-3-319-98398-1_14},
       publisher = {Springer}
    }

  • Column Scan Acceleration in Hybrid CPU-FPGA Systems.

    Jahan, N.; Ungethüm, A.; Habich, D.; Lehner, W.; Tuan, N.; Kumar, A.

    ADMS 2018, Rio De Janeiro, Brazil .22-33,2018.

    @conference{,
       author = {Nusrat Lisa Jahan and Annett Ungeth\"{u}m and Dirk Habich and Wolfgang Lehner and Nguyen Duy Anh Tuan and Akash Kumar},
       title = {Column Scan Acceleration in Hybrid CPU-FPGA Systems.},
       year = {2018},
       month = {8},
       location = {Rio De Janeiro, Brazil },
       pages = {22--33},
       numpages = {12},
       crossref = {DBLP:conf/vldb/2018adms}
    }

  • Design of a Portable Programming Abstraction for Data Transformations.

    Design of a Portable Programming Abstraction for Data Transformations.

    Luong, J.; Habich, D.; Lehner, W.

    In Proceedings of the 7th International Conference on Data Science, Technology and Applications, DATA 2018, Porto, Portugal, July 26-28, 2018.DATA 20182018.

    @article{,
       author = {Johannes Luong and Dirk Habich and Wolfgang Lehner},
       title = {Design of a Portable Programming Abstraction for Data Transformations.},
       booktitle = {Proceedings of the 7th International Conference on Data Science, Technology and Applications, DATA 2018, Porto, Portugal, July 26-28, 2018.},
       year = {2018},
       month = {7},
       isbn = {978-989-758-318-6},
       url = {https://doi.org/10.5220/0006945004000408}
    }

  • Column Scan Optimization by Increasing Intra-Instruction Parallelism.

    Jahan, N.; Ungethüm, A.; Habich, D.; Tuan, N.; Kumar, A.; Lehner, W.

    DATA 2018, Porto, Portugal.344-353,2018.

    @conference{,
       author = {Nusrat Lisa Jahan and Annett Ungeth\"{u}m and Dirk Habich and Nguyen Duy Anh Tuan and Akash Kumar and Wolfgang Lehner},
       title = {Column Scan Optimization by Increasing Intra-Instruction Parallelism.},
       year = {2018},
       month = {7},
       location = {Porto, Portugal},
       pages = {344--353},
       numpages = {10},
       url = {10.5220/0006897003440353},
       crossref = {DBLP:conf/data/2018}
    }

  • Feature-based Comparison and Generation of Time Series.

    Kegel, L.; Hahmann, M.; Lehner, W.

    In Proceedings of the 30th International Conference on Scientific and Statistical Database Management (SSDBM'18), Bozen-Bolzano, Italy, July 9-11, 2018.SSDBM '18, Bozen-Bolzano, Italy.2018.Links: Download.

    @conference{,
       author = {Lars Kegel and Martin Hahmann and Wolfgang Lehner},
       title = {Feature-based Comparison and Generation of Time Series},
       booktitle = {Proceedings of the 30th International Conference on Scientific and Statistical Database Management (SSDBM'18), Bozen-Bolzano, Italy, July 9-11, 2018},
       year = {2018},
       month = {7},
       location = {Bozen-Bolzano, Italy},
       numpages = {12},
       url = {https://doi.org/10.1145/3221269.3221293}
    }

  • Modeling Customers and Products with Word Embeddings from Receipt Data

    Modeling Customers and Products with Word Embeddings from Receipt Data.

    Woltmann, L.; Thiele, M.; Lehner, W.

    In Proceedings of the 22nd International Database Engineering & Applications Symposium.IDEAS'18, Villa San Giovanni, Italy.ACM,2018.Links: https://dl.acm.org/citation.cfm?doid=3216122.3229860.

    @conference{,
       author = {Lucas Woltmann and Maik Thiele and Wolfgang Lehner},
       title = {Modeling Customers and Products with Word Embeddings from Receipt Data},
       booktitle = {Proceedings of the 22nd International Database Engineering \& Applications Symposium},
       year = {2018},
       month = {6},
       location = {Villa San Giovanni, Italy},
       url = {https://doi.org/10.1145/3216122},
       publisher = {ACM}
    }

  • Efficient Compute Node-Local Replication Mechanisms for NVRAM-Centric Data Structures.

    Zarubin, M.; Kissinger, T.; Habich, D.; Lehner, W.

    In Proceedings of the 14th International Workshop on Data Management on New Hardware.DAMON'18, Houston, TX, USA .ACM,2018.

    @proceedings{,
       author = {Mikhail Zarubin and Thomas Kissinger and Dirk Habich and Wolfgang Lehner},
       title = {Efficient Compute Node-Local Replication Mechanisms for NVRAM-Centric Data Structures},
       booktitle = {Proceedings of the 14th International Workshop on Data Management on New Hardware},
       year = {2018},
       month = {06},
       isbn = {ISBN 978-1-4503-5853-8},
       location = {Houston, TX, USA },
       numpages = {9},
       url = {http://doi.acm.org/10.1145/3211922.3211931},
       acmid = {3211931},
       publisher = {ACM},
       keywords = {nvram, replication, in-memory, database, data strcutures}
    }

  • AHEAD: Adaptable Data Hardening for On-the-Fly Hardware Error Detection during Database Query Processing.

    Kolditz, T.; Habich, D.; Lehner, W.; Werner, M.; de Bruijn, S.

    In SIGMOD/PODS ’18: 2018 International Conference on Management of Data.SIGMOD '18ACM,2018.

    @inproceedings{,
       author = {Till Kolditz and Dirk Habich and Wolfgang Lehner and Matthias Werner and Stefan T.J. de Bruijn},
       title = {AHEAD: Adaptable Data Hardening for On-the-Fly Hardware Error Detection during Database Query Processing},
       booktitle = {SIGMOD/PODS ’18: 2018 International Conference on Management of Data},
       year = {2018},
       month = {6},
       numpages = {16},
       url = {https://doi.org/10.1145/3183713.3183740},
       acmid = {3183740},
       publisher = {ACM},
       address = {New York, NY, USA}
    }

  • Adaptive Energy-Control for In-Memory Database Systems.

    Kissinger, T.; Habich, D.; Lehner, W.

    In International Conference on Management of Data.SIGMOD 2018ACM,2018.

    @inproceedings{,
       author = {Thomas Kissinger and Dirk Habich and Wolfgang Lehner},
       title = {Adaptive Energy-Control for In-Memory Database Systems},
       booktitle = {International Conference on Management of Data},
       year = {2018},
       month = {6},
       isbn = {978-1-4503-4703-7},
       url = {https://doi.org/10.1145/3183713.3183756},
       acmid = {3183756},
       publisher = {ACM},
       address = {New York, NY, USA}
    }

  • FREDDY: Fast Word Embeddings in Database Systems

    FREDDY: Fast Word Embeddings in Database Systems.

    Günther, M.

    In Proceedings of the 2018 International Conference on Management of Data (SIGMOD '18).2018.

    @conference{,
       author = {Michael G\"{u}nther},
       title = {FREDDY: Fast Word Embeddings in Database Systems},
       booktitle = {Proceedings of the 2018 International Conference on Management of Data (SIGMOD '18)},
       year = {2018},
       month = {6}
    }

  • Energy-Utility Function-Based Resource Control for In-Memory Database Systems LIVE.

    Kissinger, T.; Hähnel, M.; Smejkal, T.; Habich, D.; Härtig, H.; Lehner, W.

    To appear in International Conference on Management of Data.SIGMOD 20182018.

    @inproceedings{,
       author = {Thomas Kissinger and Marcus H\"{a}hnel and Till Smejkal and Dirk Habich and Hermann H\"{a}rtig and Wolfgang Lehner},
       title = {Energy-Utility Function-Based Resource Control for In-Memory Database Systems LIVE},
       booktitle = {International Conference on Management of Data},
       year = {2018},
       month = {6}
    }

  • Beyond Straightforward Vectorization of Lightweight Data Compression Algorithms for Larger Vector Sizes.

    Pietrzyk, J.; Ungethüm, A.; Habich, D.; Lehner, W.

    In Proceedings of the 30th GI-Workshop Grundlagen von Datenbanken, Wuppertal, Germany, May 22-25, 2018.71-76,2018.

    @article{,
       author = {Johannes Pietrzyk and Annett Ungeth\"{u}m and Dirk Habich and Wolfgang Lehner},
       title = {Beyond Straightforward Vectorization of Lightweight Data Compression Algorithms for Larger Vector Sizes.},
       booktitle = { Proceedings of the 30th GI-Workshop Grundlagen von Datenbanken, Wuppertal, Germany, May 22-25, 2018.},
       series = {CEUR Workshop Proceedings},
       volume = {2126},
       year = {2018},
       month = {5},
       pages = {71--76},
       url = {http://ceur-ws.org/Vol-2126/paper11.pdf}
    }

  • Table Recognition in Spreadsheets via a Graph Representation.

    Koci, E.; Thiele, M.; Romero, O.; Lehner, W.

    In 13th IAPR International Workshop on Document Analysis Systems (DAS).IEEE Computer Society,139-144,2018.Links: https://www.computer.org/csdl/proceedings/das/2018/3346/00/3346a139-abs.html.

    @article{,
       author = {Elvis Koci and Maik Thiele and Oscar Romero and Wolfgang Lehner},
       title = {Table Recognition in Spreadsheets via a Graph Representation},
       booktitle = {13th IAPR International Workshop on Document Analysis Systems (DAS)},
       year = {2018},
       month = {4},
       isbn = {978-1-5386-3346-5},
       pages = {139--144},
       url = {http://doi.ieeecomputersociety.org/10.1109/DAS.2018.48},
       publisher = {IEEE Computer Society},
       keywords = {Spreadsheet, Table Recognition, Graph Representation, Document Analysis},
       crossref = {DBLP:conf/das/2018}
    }

  • Conflict Detection-Based Run-Length Encoding-AVX-512 CD Instruction Set in Action.

    Ungethüm, A.; Pietrzyk, J.; Damme, P.; Habich, D.; Lehner, W.

    In IEEE 34th International Conference on Data Engineering Workshops (ICDEW).ICDEW '1896-101,2018.

    @article{,
       author = {Annett Ungeth\"{u}m and Johannes Pietrzyk and Patrick Damme and Dirk Habich and Wolfgang Lehner},
       title = {Conflict Detection-Based Run-Length Encoding-AVX-512 CD Instruction Set in Action},
       booktitle = {IEEE 34th International Conference on Data Engineering Workshops (ICDEW)},
       year = {2018},
       month = {4},
       pages = {96--101},
       url = {http://dx.doi.org/10.1109/ICDEW.2018.00023}
    }

  • Multi-GPU Approximation for Silent Data Corruption of AN Codes.

    Werner, M.; Kolditz, T.; Karnagel, T.; Habich, D.; Lehner, W.

    In Further Improvements in the Boolean Domain.Cambridge Scholars Publishing,2018.

    @inbook{,
       author = {Matthias Werner and Till Kolditz and Tomas Karnagel and Dirk Habich and Wolfgang Lehner},
       title = {Multi-GPU Approximation for Silent Data Corruption of AN Codes},
       booktitle = {Further Improvements in the Boolean Domain},
       year = {2018},
       month = {1},
       isbn = {978-1-5275-0371-7},
       url = {http://www.cambridgescholars.com/further-improvements-in-the-boolean-domain},
       publisher = {Cambridge Scholars Publishing}
    }

  • A Cost-based Storage Format Selector for Materialization in Big Data Frameworks.

    Munir, R.; Abelló, A.; Romero, O.; Thiele, M.; Lehner, W.

    In CoRR.2018.

    @article{,
       author = {Rana Faisal Munir and Alberto Abelló and Oscar Romero and Maik Thiele and Wolfgang Lehner},
       title = {A Cost-based Storage Format Selector for Materialization in Big Data Frameworks},
       journal = {CoRR},
       year = {2018},
       month = {1},
       url = {http://arxiv.org/abs/1806.03901}
    }

  • Analysis of Data Structures Involved in RPQ Evaluation

    Analysis of Data Structures Involved in RPQ Evaluation.

    Tetzel, F.; Voigt, H.; Paradies, M.; Kasperovics, R.; Lehner, W.

    In Proceedings of the 7th International Conference on Data Science, Technology and Applications.334-343,2018.

    @conference{,
       author = {Frank Tetzel and Hannes Voigt and Marcus Paradies and Romans Kasperovics and Wolfgang Lehner},
       title = {Analysis of Data Structures Involved in RPQ Evaluation},
       booktitle = {Proceedings of the 7th International Conference on Data Science, Technology and Applications},
       volume = {1},
       year = {2018},
       month = {1},
       isbn = {978-989-758-318-6},
       location = {Porto, Portugal},
       pages = {334--343}
    }

  • A value-based evaluation methodology for renewable energy supply prediction.

    Ulbricht, R.; Neupane, B.; Hahmann, M.; Lehner, W.

    In ITISE 2018 International Conference on Time Series and Forecasting: Proceedings of Papers, 1589-1600, Granada, Spain.2018.

    @article{,
       author = {Robert Ulbricht and Bijay Neupane and Martin Hahmann and Wolfgang Lehner},
       title = {A value-based evaluation methodology for renewable energy supply prediction},
       booktitle = {ITISE 2018 International Conference on Time Series and Forecasting: Proceedings of Papers, 1589-1600, Granada, Spain.},
       year = {2018},
       month = {1},
       location = {Granada, Spain}
    }

  • Cell Classification for Layout Recognition in Spreadsheets.

    Koci, E.; Thiele, M.; Romero, O.; Lehner, W.

    In Knowledge Discovery, Knowledge Engineering and Knowledge Management, IC3K 2016, Revised Selected Papers.Springer,2018.Links: https://link.springer.com/chapter/10.1007/978-3-319-99701-8_4.

    @inbook{,
       author = {Elvis Koci and Maik Thiele and Oscar Romero and Wolfgang Lehner},
       title = {Cell Classification for Layout Recognition in Spreadsheets},
       booktitle = {Knowledge Discovery, Knowledge Engineering and Knowledge Management, IC3K 2016, Revised Selected Papers},
       series = {Communications in Computer and Information Science},
       year = {2018},
       publisher = {Springer},
       keywords = {Speadsheet, Tabular, Table, Document, Layout, Recognition, Analysis, Classi cation}
    }

  • Make Larger Vector Register Sizes New Challenges?: Lessons Learned from the Area of Vectorized Lightweight Compression Algorithms

    Make Larger Vector Register Sizes New Challenges?: Lessons Learned from the Area of Vectorized Lightweight Compression Algorithms.

    Habich, D.; Damme, P.; Ungethüm, A.; Lehner, W.

    In Proceedings of the 7th International Workshop on Testing Database Systems, DBTest@SIGMOD 2018.8:1-8:6,2018.

    @inproceedings{,
       author = {Dirk Habich and Patrick Damme and Annett Ungeth\"{u}m and Wolfgang Lehner},
       title = {Make Larger Vector Register Sizes New Challenges?: Lessons Learned                from the Area of Vectorized Lightweight Compression Algorithms},
       booktitle = {Proceedings of the 7th International Workshop on Testing Database Systems, DBTest@SIGMOD 2018},
       year = {2018},
       pages = {8},
       url = {https://doi.org/10.1145/3209950.3209957}
    }

Year 2017 (34 Publications)

  • Frequent patterns in ETL workflows: An empirical approach

    Frequent patterns in ETL workflows: An empirical approach.

    Theodorou, V.; Abelló, A.; Thiele, M.; Lehner, W.

    In Data & Knowledge Engineering.Volume 112.Elsevier,1-16,2017.Links: https://www.sciencedirect.com/science/article/pii/S0169023X16302713.

    @book{,
       author = {Vasileios Theodorou and Alberto Abelló and Maik Thiele and Wolfgang Lehner},
       title = {Frequent patterns in ETL workflows: An empirical approach},
       journal = {Data \& Knowledge Engineering},
       volume = {112},
       year = {2017},
       month = {11},
       pages = {1--16},
       url = {https://doi.org/10.1016/j.datak.2017.08.004},
       publisher = {Elsevier}
    }

  • CSAR: The Cross-sectional Autoregression Model.

    Hartmann, C.; Hahmann, M.; Habich, D.; Lehner, W.

    In 4th IEEE International Conference on Data Science and Advanced Analytics.DSAA'17, Tokyo, Japan.2017.

    @proceedings{,
       author = {Claudio Hartmann and Martin Hahmann and Dirk Habich and Wolfgang Lehner},
       title = {CSAR: The Cross-sectional Autoregression Model},
       booktitle = {4th IEEE International Conference on Data Science and Advanced Analytics},
       year = {2017},
       month = {10},
       location = {Tokyo, Japan}
    }

  • Rethinking DRAM Caching for LSMs in an NVRAM Environment.

    Lersch, L.; Oukid, I.; Schreter, I.; Lehner, W.

    In 21st European Conference on Advances in Databases and Information Systems (ADBIS 2017), Cyprius, September 24.Springer,2017.

    @article{,
       author = {Lucas Lersch and Ismail Oukid and Ivan Schreter and Wolfgang Lehner},
       title = {Rethinking DRAM Caching for LSMs in an NVRAM Environment},
       booktitle = {21st European Conference on Advances in Databases and Information Systems (ADBIS 2017), Cyprius, September 24},
       year = {2017},
       month = {9},
       publisher = {Springer}
    }

  • Balancing Performance and Energy for Lightweight Data Compression Algorithms.

    Ungethüm, A.; Damme, P.; Pietrzyk, J.; Krause, A.; Habich, D.; Lehner, W.

    In New Trends in Databases and Information Systems - ADBIS 2017 Short Papers and Workshops, AMSD, BigNovelTI, DAS, SW4CH, DC, Nicosia, Cyprus, September 24-27, 2017, Proceedings.Springer,37-44,2017.

    @inproceedings{,
       author = {Annett Ungeth\"{u}m and Patrick Damme and Johannes Pietrzyk and Alexander Krause and Dirk Habich and Wolfgang Lehner},
       title = {Balancing Performance and Energy for Lightweight Data Compression Algorithms},
       booktitle = {New Trends in Databases and Information Systems - ADBIS 2017 Short Papers and Workshops, AMSD, BigNovelTI, DAS, SW4CH, DC, Nicosia, Cyprus, September 24-27, 2017, Proceedings},
       year = {2017},
       month = {9},
       pages = {37--44},
       numpages = {8},
       url = {https://doi.org/10.1007/978-3-319-67162-8_5},
       publisher = {Springer}
    }

  • Asynchronous Graph Pattern Matching on Multiprocessor Systems.

    Krause, A.; Kissinger, T.; Ungethüm, A.; Habich, D.; Lehner, W.

    In New Trends in Databases and Information Systems - ADBIS 2017 Short Papers and Workshops.ADBISSpringer,45-53,2017.Links: https://link.springer.com/chapter/10.1007%2F978-3-319-67162-8_6.

    @inproceedings{,
       author = {Alexander Krause and Thomas Kissinger and Annett Ungeth\"{u}m and Dirk Habich and Wolfgang Lehner},
       title = {Asynchronous Graph Pattern Matching on Multiprocessor Systems},
       booktitle = {New Trends in Databases and Information Systems - ADBIS 2017 Short Papers and Workshops},
       year = {2017},
       month = {9},
       isbn = {978-3-319-67161-1},
       pages = {45--53},
       numpages = {8},
       url = {10.1007/978-3-319-67162-8_6},
       publisher = {Springer}
    }

  • AL: unified analytics in domain specific terms

    AL: unified analytics in domain specific terms.

    Luong, J.; Habich, D.; Lehner, W.

    In DBPL '17 Proceedings of The 16th International Symposium on Database Programming Languages, Munich, Germany — September 01 - 01, 2017 .2017.

    @article{,
       author = {Johannes Luong and Dirk Habich and Wolfgang Lehner},
       title = {AL: unified analytics in domain specific terms},
       booktitle = {DBPL '17 Proceedings of The 16th International Symposium on Database Programming Languages, Munich, Germany — September 01 - 01, 2017 },
       year = {2017},
       month = {9},
       isbn = {978-1-4503-5354-0},
       url = {https://doi.org/10.1145/3122831.3122835}
    }

  • Adaptive Recovery for SCM-Enabled Databases.

    Oukid, I.; Nica, A.; Dos Santos Bossle, D.; Lehner, W.; Bumbulis, P.; Willhalm, T.

    In Proceedings of the Eighth International Workshop on Accelerating Analytics and Data Management Systems Using Modern Processor and Storage Architectures (ADMS 2017), Munich, Germany, September 1.2017.

    @article{,
       author = {Ismail Oukid and Anisoara Nica and Daniel Dos Santos Bossle and Wolfgang Lehner and Peter Bumbulis and Thomas Willhalm},
       title = {Adaptive Recovery for SCM-Enabled Databases},
       booktitle = {Proceedings of the Eighth International Workshop on Accelerating Analytics and Data Management Systems Using Modern Processor and Storage Architectures (ADMS 2017), Munich, Germany, September 1},
       year = {2017},
       month = {9}
    }

  • Hardware-Accelerated Memory Operations on Large-Scale NUMA Systems.

    Dreseler, M.; Kissinger, T.; Djürken, T.; Lübke, E.; Uflacker, M.; Habich, D.; Plattner, H.; Lehner, W.

    In International Workshop on Accelerating Data Management Systems Using Modern Processor and Storage Architectures 2017.ADMS 20172017.

    @inproceedings{,
       author = {Markus Dreseler and Thomas Kissinger and Timo Dj\"{u}rken and Eric L\"{u}bke and Matthias Uflacker and Dirk Habich and Hasso Plattner and Wolfgang Lehner},
       title = {Hardware-Accelerated Memory Operations on Large-Scale NUMA Systems},
       booktitle = {International Workshop on Accelerating Data Management Systems Using Modern Processor and Storage Architectures 2017},
       year = {2017},
       month = {9}
    }

  • Memory Management Techniques for Large-Scale Persistent-Main-Memory Systems.

    Oukid, I.; Booss, D.; Lespinasse, A.; Lehner, W.; Willhalm, T.; Gomes, G.

    In PVLDB 2017, Munich, Germany, August 28 to September 1.2017.

    @{,
       author = {Ismail Oukid and Daniel Booss and Adrien Lespinasse and Wolfgang Lehner and Thomas Willhalm and Gr\'{e}goire Gomes},
       title = {Memory Management Techniques for Large-Scale Persistent-Main-Memory Systems},
       booktitle = {PVLDB 2017, Munich, Germany, August 28 to September 1},
       year = {2017},
       month = {8}
    }

  • Adaptive Work Placement for Query Processing on Heterogeneous Computing Resources.

    Karnagel, T.; Habich, D.; Lehner, W.

    In In PVLDB Vol. 10 No. 7, VLDB 2017, August 28 to September 1, 2017, Munich, Germany.2017.

    @inproceedings{,
       author = {Tomas Karnagel and Dirk Habich and Wolfgang Lehner},
       title = {Adaptive Work Placement for Query Processing on Heterogeneous Computing Resources},
       booktitle = {In PVLDB Vol. 10 No. 7, VLDB 2017, August 28 to September 1, 2017, Munich, Germany},
       year = {2017},
       month = {8}
    }

  • Query Processing Based on Compressed Intermediates.

    Damme, P.

    In Proceedings of the VLDB 2017 PhD Workshop co-located with the 43rd International Conference on Very Large Databases (VLDB 2017), Munich, Germany, August 28, 2017.CEUR-WS.org,2017.

    @inproceedings{,
       author = {Patrick Damme},
       title = {Query Processing Based on Compressed Intermediates},
       booktitle = {Proceedings of the VLDB 2017 PhD Workshop co-located with the 43rd International Conference on Very Large Databases (VLDB 2017), Munich, Germany, August 28, 2017.},
       series = {CEUR Workshop Proceedings},
       volume = {1882},
       year = {2017},
       month = {8},
       url = {http://ceur-ws.org/Vol-1882/paper05.pdf},
       publisher = {CEUR-WS.org}
    }

  • Partitioning Strategy Selection for In-Memory Graph Pattern Matching on Multiprocessor Systems.

    Krause, A.; Kissinger, T.; Habich, D.; Voigt, H.; Lehner, W.

    To appear in Euro-Par 2017: Parallel Processing - 23rd International Conference on Parallel and Distributed Computing.Euro-Par, Santiago de Compostela.Springer, 149-163,2017.

    @{,
       author = {Alexander Krause and Thomas Kissinger and Dirk Habich and Hannes Voigt and Wolfgang Lehner},
       title = {Partitioning Strategy Selection for In-Memory Graph Pattern Matching on Multiprocessor Systems},
       booktitle = {Euro-Par 2017: Parallel Processing - 23rd International Conference on Parallel and Distributed Computing},
       series = {Lecture Notes in Computer Science},
       year = {2017},
       month = {8},
       isbn = {978-3-319-64202-4},
       location = {Santiago de Compostela},
       pages = { 149-163},
       numpages = {14},
       publisher = {Springer}
    }

  • Declarative Multidimensional Graph Queries.

    Voigt, H.

    In Business Intelligence - 6th European Summer School, eBISS 2016, Tours, France, July 3-8, 2016, Tutorial Lectures.Springer,2017.

    @inbook{,
       author = {Hannes Voigt},
       title = {Declarative Multidimensional Graph Queries},
       booktitle = {Business Intelligence - 6th European Summer School, eBISS 2016, Tours, France, July 3-8, 2016, Tutorial Lectures},
       year = {2017},
       month = {7},
       numpages = {37},
       publisher = {Springer}
    }

  • Big Graph Data Analytics on Single Machines – An Overview.

    Paradies, M.; Voigt, H.

    In Datenbank-Spektrum.Springer,2017.

    @article{,
       author = {Marcus Paradies and Hannes Voigt},
       title = {Big Graph Data Analytics on Single Machines \&\#8211; An Overview},
       journal = {Datenbank-Spektrum},
       volume = {17},
       year = {2017},
       month = {7},
       numpages = {12},
       url = {http://dx.doi.org/10.1007/s13222-017-0255-8},
       publisher = {Springer}
    }

  • Generating What-If Scenarios for Time Series Data.

    Kegel, L.; Hahmann, M.; Lehner, W.

    In Proceedings of the 29th International Conference on Scientific and Statistical Database Management (SSDBM’17), Chicago, IL, USA, June 27-29, 2017.SSDBM’17, Chicago, IL, USA.2017.Links: Download.

    @conference{,
       author = {Lars Kegel and Martin Hahmann and Wolfgang Lehner},
       title = {Generating What-If Scenarios for Time Series Data},
       booktitle = {Proceedings of the 29th International Conference on Scientific and Statistical Database Management (SSDBM’17), Chicago, IL, USA, June 27-29, 2017},
       year = {2017},
       month = {6},
       location = {Chicago, IL, USA},
       numpages = {12},
       url = {https://doi.org/10.1145/3085504.3085507}
    }

  • Multi-source data collection for state-of-the-art data analysis from ground-proximate images in sea ice classification

    Multi-source data collection for state-of-the-art data analysis from ground-proximate images in sea ice classification.

    Woltmann, L.

    In Proceedings of the 26th International Symposium on Industrial Electronics.ISIE '172017.Links: https://ieeexplore.ieee.org/abstract/document/8001490.

    @inproceedings{,
       author = {Lucas Woltmann},
       title = {Multi-source data collection for state-of-the-art data analysis from ground-proximate images in sea ice classification},
       booktitle = {Proceedings of the 26th International Symposium on Industrial Electronics},
       year = {2017},
       month = {6},
       url = {https://doi.org/10.1109/ISIE.2017.8001490}
    }

  • Table Identification and Reconstruction in Spreadsheets.

    Koci, E.; Thiele, M.; Romero, O.; Lehner, W.

    In 29th International Conference on Advanced Information Systems Engineering.CAiSE'17, Essen, Germany.Springer,527-541,2017.Links: https://link.springer.com/chapter/10.1007%2F978-3-319-59536-8_33.

    @article{,
       author = {Elvis Koci and Maik Thiele and Oscar Romero and Wolfgang Lehner},
       title = {Table Identification and Reconstruction in Spreadsheets},
       booktitle = {29th International Conference on Advanced Information Systems Engineering},
       year = {2017},
       month = {6},
       isbn = {978-3-319-59536-8},
       location = {Essen, Germany},
       pages = {527--541},
       numpages = {15},
       url = {https://doi.org/10.1007/978-3-319-59536-8_33},
       publisher = {Springer}
    }

  • Feature-driven Time Series Generation.

    Kegel, L.; Hahmann, M.; Lehner, W.

    In Proceedings of the 29th Workshop on Foundations of Databases (GvDB'17), 30.05.2017 - 02.06.2017, Blankenburg/Harz, Germany.GvDB'172017.Links: Download.

    @conference{,
       author = {Lars Kegel and Martin Hahmann and Wolfgang Lehner},
       title = {Feature-driven Time Series Generation},
       booktitle = {Proceedings of the 29th Workshop on Foundations of Databases (GvDB'17), 30.05.2017 - 02.06.2017, Blankenburg/Harz, Germany},
       year = {2017},
       month = {5},
       numpages = {6},
       keywords = {time series analysis, data generation, business analytics}
    }

  • An Analysis of the Feasibility of Graph Compression Techniques for Indexing Regular Path Queries.

    Tetzel, F.; Voigt, H.; Paradies, M.; Lehner, W.

    In Proceedings of the Fifth International Workshop on Graph Data Management Experiences and Systems, Chicago, IL, USA, May 19, 2017.GRADES'17, Chicago, IL, USA.ACM,2017.

    @inproceedings{,
       author = {Frank Tetzel and Hannes Voigt and Marcus Paradies and Wolfgang Lehner},
       title = {An Analysis of the Feasibility of Graph Compression Techniques for Indexing Regular Path Queries},
       booktitle = {Proceedings of the Fifth International Workshop on Graph Data Management Experiences and Systems, Chicago, IL, USA, May 19, 2017},
       year = {2017},
       month = {5},
       location = {Chicago, IL, USA},
       numpages = {6},
       url = {https://event.cwi.nl/grades/2017/11-Tetzel.pdf},
       publisher = {ACM}
    }

  • Big Data causing Big (TLB) Problems: Taming Random Memory Accesses on the GPU.

    Karnagel, T.; Ben-Nun, T.; Werner, M.; Habich, D.; Lehner, W.

    In Thirteenth International Workshop on Data Management on New Hardware (DaMoN 2017), Chicago, USA.2017.

    @{,
       author = {Tomas Karnagel and Tal Ben-Nun and Matthias Werner and Dirk Habich and Wolfgang Lehner},
       title = {Big Data causing Big (TLB) Problems: Taming Random Memory Accesses on the GPU},
       booktitle = {Thirteenth International Workshop on Data Management on New Hardware (DaMoN 2017), Chicago, USA},
       year = {2017},
       month = {5}
    }

  • Living in Parallel Realities – Co-Existing Schema Versions with a Bidirectional Database Evolution Language.

    Herrmann, K.; Voigt, H.; Rausch, J.; Behrend, A.; Lehner, W.

    In SIGMOD'17, Proceedings of the 2017 International Conference on Management of Data, Chicago, IL, USA, May 14-19, 2017.SIGMOD '17, Chicago, IL, USA.ACM,2017.

    @inproceedings{,
       author = {Kai Herrmann and Hannes Voigt and Jonas Rausch and Andreas Behrend and Wolfgang Lehner},
       title = {Living in Parallel Realities – Co-Existing Schema Versions with a Bidirectional Database Evolution Language},
       booktitle = {SIGMOD'17, Proceedings of the 2017 International Conference on Management of Data, Chicago, IL, USA, May 14-19, 2017},
       year = {2017},
       month = {5},
       location = {Chicago, IL, USA},
       numpages = {12},
       publisher = {ACM}
    }

  • Data Structure Engineering for Byte-Addressable Non-Volatile Memory.

    Oukid, I.; Lehner, W.

    In Proceedings of the 2017 ACM International Conference on Management of Data, SIGMOD Conference 2017, Chicago, Illinois, USA, May 14 - 19, 2017 .ACM,1759--1764,2017.

    @{,
       author = {Ismail Oukid and Wolfgang Lehner},
       title = {Data Structure Engineering for Byte-Addressable Non-Volatile Memory},
       booktitle = {Proceedings of the 2017 ACM International Conference on Management of Data, SIGMOD Conference 2017, Chicago, Illinois, USA, May 14 - 19, 2017 },
       year = {2017},
       month = {5},
       isbn = {978-1-4503-4197-4},
       pages = {1759--1764},
       url = {http://doi.acm.org/10.1145/3035918.3054777},
       publisher = {ACM}
    }

  • An analysis of LSM caching in NVRAM.

    Lersch, L.; Oukid, I.; Lehner, W.; Schreter, I.

    In Thirteenth International Workshop on Data Management on New Hardware (DaMoN 2017), Chicago, USA, May 14, 2017.ACM,2017.

    @{,
       author = {Lucas Lersch and Ismail Oukid and Wolfgang Lehner and Ivan Schreter},
       title = {An analysis of LSM caching in NVRAM},
       booktitle = {Thirteenth International Workshop on Data Management on New Hardware (DaMoN 2017), Chicago, USA, May 14, 2017},
       year = {2017},
       month = {5},
       isbn = {978-1-4503-5025-9},
       url = {http://doi.acm.org/10.1145/3076113.3076123},
       acmid = {3076123},
       publisher = {ACM}
    }

  • Lightweight Data Compression Algorithms: An Experimental Survey (Experiments and Analyses).

    Damme, P.; Habich, D.; Hildebrandt, J.; Lehner, W.

    In Proceedings of the 20th International Conference on Extending Database Technology, EDBT 2017, Venice, Italy, March 21-24, 2017.OpenProceedings.org,72-83,2017.

    @inproceedings{,
       author = {Patrick Damme and Dirk Habich and Juliana Hildebrandt and Wolfgang Lehner},
       title = {Lightweight Data Compression Algorithms: An Experimental Survey (Experiments and Analyses).},
       booktitle = {Proceedings of the 20th International Conference on Extending Database Technology, EDBT 2017, Venice, Italy, March 21-24, 2017.},
       year = {2017},
       month = {3},
       pages = {72--83},
       numpages = {10},
       url = {https://doi.org/10.5441/002/edbt.2017.08},
       publisher = {OpenProceedings.org}
    }

  • Insights into the Comparative Evaluation of Lightweight Data Compression Algorithms.

    Damme, P.; Habich, D.; Hildebrandt, J.; Lehner, W.

    In Proceedings of the 20th International Conference on Extending Database Technology, EDBT 2017, Venice, Italy, March 21-24, 2017.OpenProceedings.org,562-565,2017.

    @inproceedings{,
       author = {Patrick Damme and Dirk Habich and Juliana Hildebrandt and Wolfgang Lehner},
       title = {Insights into the Comparative Evaluation of Lightweight Data Compression Algorithms.},
       booktitle = {Proceedings of the 20th International Conference on Extending Database Technology, EDBT 2017, Venice, Italy, March 21-24, 2017.},
       year = {2017},
       month = {3},
       pages = {562--565},
       numpages = {4},
       url = {https://doi.org/10.5441/002/edbt.2017.70},
       publisher = {OpenProceedings.org}
    }

  • Declarative Graph Querying in Practice and Theory.

    Voigt, H.

    In Proceedings of the 20th International Conference on Extending Database Technology, {EDBT} 2017, Venice, Italy, March 21-24, 2017.EDBT'17, Venice, Italy.OpenProceedings.org,598-601,2017.

    @inproceedings{,
       author = {Hannes Voigt},
       title = {Declarative Graph Querying in Practice and Theory},
       booktitle = {Proceedings of the 20th International Conference on Extending Database Technology, {EDBT} 2017, Venice, Italy, March 21-24, 2017},
       year = {2017},
       month = {3},
       location = {Venice, Italy},
       pages = {598--601},
       url = {https://doi.org/10.5441/002/edbt.2017.79},
       publisher = {OpenProceedings.org}
    }

  • InVerDa – The Liquid Database.

    Herrmann, K.; Voigt, H.; Seyschab, T.; Lehner, W.

    BTW '17, Stuttgart.2017.

    @{,
       author = {Kai Herrmann and Hannes Voigt and Thorsten Seyschab and Wolfgang Lehner},
       title = {InVerDa \&\#8211; The Liquid Database},
       year = {2017},
       month = {3},
       location = {Stuttgart}
    }

  • Overview on Hardware Optimizations for Database Engines.

    Ungethüm, A.; Habich, D.; Karnagel, T.; Haas, S.; Mier, E.; Fettweis, G.; Lehner, W.

    In 17. Fachtagung Datenbanksysteme fuer Business, Technologie und Web (BTW) der Gesellschaft für Informatik (GI), Stuttgart, Germany.2017.

    @inproceedings{,
       author = {Annett Ungeth\"{u}m and Dirk Habich and Tomas Karnagel and Sebastian Haas and Eric Mier and Gerhard Fettweis and Wolfgang Lehner},
       title = {Overview on Hardware Optimizations for Database Engines},
       booktitle = {17. Fachtagung Datenbanksysteme fuer Business, Technologie und Web (BTW) der Gesellschaft f\"{u}r Informatik (GI), Stuttgart, Germany},
       year = {2017},
       month = {3}
    }

  • SPARQLytics: Multidimensional Analytics for RDF.

    Rudolf, M.; Voigt, H.; Lehner, W.

    In Datenbanksysteme für Business, Technologie und Web (BTW 2017), 17. Fachtagung des GI-Fachbereichs "Datenbanken und Informationssysteme" (DBIS), 6.-10. März 2017, Stuttgart, Germany, Proceedings.GI,51-60,2017.

    @inproceedings{,
       author = {Michael Rudolf and Hannes Voigt and Wolfgang Lehner},
       title = {SPARQLytics: Multidimensional Analytics for RDF},
       booktitle = {Datenbanksysteme f\"{u}r Business, Technologie und Web (BTW 2017), 17. Fachtagung des GI-Fachbereichs "'Datenbanken und Informationssysteme"' (DBIS), 6.-10. M\"{a}rz 2017, Stuttgart, Germany, Proceedings},
       series = {LNI},
       volume = {P-265},
       year = {2017},
       month = {3},
       isbn = {978-3-88579-659-6},
       pages = {51--60},
       publisher = {GI}
    }

  • Exploratory Ad-Hoc Analytics for Big Data

    Exploratory Ad-Hoc Analytics for Big Data.

    Eberius, J.; Thiele, M.; Lehner, W.

    In Handbook of Big Data Technologies.Springer,365-407,2017.Links: https://link.springer.com/chapter/10.1007/978-3-319-49340-4_11.

    @incollection{,
       author = {Julian Eberius and Maik Thiele and Wolfgang Lehner},
       title = {Exploratory Ad-Hoc Analytics for Big Data},
       booktitle = {Handbook of Big Data Technologies},
       year = {2017},
       month = {1},
       pages = {365--407},
       numpages = {43},
       url = {https://doi.org/10.1007/978-3-319-49340-4_11},
       publisher = {Springer}
    }

  • Context Similarity for Retrieval-Based Imputation

    Context Similarity for Retrieval-Based Imputation.

    Ahmadov, A.; Thiele, M.; Lehner, W.; Wrembel, R.

    In Proceedings of the 2017 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining.1017-1024,2017.Links: https://dl.acm.org/citation.cfm?id=3110161.

    @{,
       author = {Ahmad Ahmadov and Maik Thiele and Wolfgang Lehner and Robert Wrembel},
       title = {Context Similarity for Retrieval-Based Imputation},
       booktitle = {Proceedings of the 2017 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining},
       year = {2017},
       month = {1},
       pages = {1017--1024},
       numpages = {8}
    }

  • Robust and simple database evolution.

    Herrmann, K.; Voigt, H.; Rausch, J.; Behrend, A.; Lehner, W.

    In Information Systems Frontiers.2017.

    @{,
       author = {Kai Herrmann and Hannes Voigt and Jonas Rausch and Andreas Behrend and Wolfgang Lehner},
       title = {Robust and simple database evolution},
       journal = {Information Systems Frontiers},
       year = {2017},
       month = {1},
       url = {http://dx.doi.org/10.1007/s10796-016-9730-2}
    }

  • Storage Class Memory and Databases: Opportunities and Challenges.

    Oukid, I.; Kettler, R.; Willhalm, T.

    In it-Information Technology.De Gruyter,2017.

    @{,
       author = {Ismail Oukid and Robert Kettler and Thomas Willhalm},
       title = {Storage Class Memory and Databases: Opportunities and Challenges},
       booktitle = {it-Information Technology},
       year = {2017},
       url = {https://doi.org/10.1515/itit-2016-0052},
       publisher = {De Gruyter}
    }

  • Heterogeneous Placement Optimization for Database Query Processing.

    Karnagel, T.; Habich, D.

    In it Information Technology.2017.

    @article{,
       author = {Tomas Karnagel and Dirk Habich},
       title = {Heterogeneous Placement Optimization for Database Query Processing},
       booktitle = {it Information Technology},
       year = {2017}
    }

Year 2016 (34 Publications)

  • The Orchestration Stack: The Impossible Task of Designing Software for Unknown Future Post-CMOS Hardware

    The Orchestration Stack: The Impossible Task of Designing Software for Unknown Future Post-CMOS Hardware.

    Völp, M.; Klüppelholz, S.; Castrillon, J.; Härtig, H.; Asmussen, N.; Assmann, U.; Baader, F.; Baier, C.; Fettweis, G.; Fröhlich, J.; Goens, A.; Haas, S.; Habich, D.; Hasler, M.; Huismann, I.; Karnagel, T.; Karol, S.; Lehner, W.; Leuschner, L.; Lieber, M.; Ling, S.; Märcker, S.; Mey, J.; Nagel, W.; Noethen, B.; Penaloza, R.; Raitza, M.; Stiller, J.; Ungethüm, A.; Voigt, A.

    In 1st International Workshop on Post-Moore s Era Supercomputing (PMES), Co-located with The International Conference for High Performance Computing, Networking, Storage and Analysis (SC16), Salt Lake City, USA, Nov 2016.2016.

    @inproceedings{,
       author = {Marcus V\"{o}lp and Sascha Kl\"{u}ppelholz and Jeronimo Castrillon and Hermann H\"{a}rtig and Nils Asmussen and Uwe Assmann and Franz Baader and Christel Baier and Gerhard Fettweis and Jochen Fr\"{o}hlich and Andres Goens and Sebastian Haas and Dirk Habich and Mattis Hasler and Immo Huismann and Tomas Karnagel and Sven Karol and Wolfgang Lehner and Linda Leuschner and Matthias Lieber and Siqi Ling and Steffen M\"{a}rcker and Johannes Mey and Wolfgang Nagel and Benedikt Noethen and Rafael Penaloza and Michael Raitza and J\"{o}rg Stiller and Annett Ungeth\"{u}m and Axel Voigt},
       title = {The Orchestration Stack: The Impossible Task of Designing Software for Unknown Future Post-CMOS Hardware},
       booktitle = {1st International Workshop on Post-Moore s Era Supercomputing (PMES), Co-located with The International Conference for High Performance Computing, Networking, Storage and Analysis (SC16), Salt Lake City, USA, Nov 2016.},
       year = {2016},
       month = {11}
    }

  • A Machine Learning Approach for Layout Inference in Spreadsheets.

    Koci, E.; Thiele, M.; Lehner, W.

    In 8th International Joint Conference on Knowledge Discovery, Knowledge Engineering and Knowledge Management.KDIR '16, Porto, Portugal.SCITEPRESS ,77-88,2016.Links: http://www.scitepress.org/DigitalLibrary/Link.aspx?doi=10.5220/0006052200770088.

    @conference{,
       author = {Elvis Koci and Maik Thiele and Wolfgang Lehner},
       title = {A Machine Learning Approach for Layout Inference in Spreadsheets},
       booktitle = {8th International Joint Conference on Knowledge Discovery, Knowledge Engineering and Knowledge Management},
       volume = {1},
       year = {2016},
       month = {11},
       isbn = {978-989-758-203-5},
       location = {Porto, Portugal},
       pages = {77--88},
       numpages = {12},
       url = {http://dx.doi.org/10.5220/0006052200770088},
       publisher = {SCITEPRESS }
    }

  • Putting Web Tables into Context.

    Braunschweig, K.; Thiele, M.; Koci, E.; Lehner, W.

    KDIR '16, Porto, Portugal.SCITEPRESS ,158-165,2016.Links: http://www.scitepress.org/DigitalLibrary/Link.aspx?doi=10.5220/0006034701580165.

    @conference{,
       author = {Katrin Braunschweig and Maik Thiele and Elvis Koci and Wolfgang Lehner},
       title = {Putting Web Tables into Context},
       volume = {1},
       year = {2016},
       month = {11},
       isbn = {978-989-758-203-5},
       location = {Porto, Portugal},
       pages = {158--165},
       numpages = {8},
       url = {http://dx.doi.org/10.5220/0006034701580165},
       publisher = {SCITEPRESS },
       keywords = {Concept Mining, Context Discovery, Information Extraction}
    }

  • Multi-GPU Approximation Methods for Silent Data Corruption of AN-Coding.

    Werner, M.; Kolditz, T.; Karnagel, T.; Habich, D.; Lehner, W.

    In 12th International Workshop on Boolean Problems, IWSBP 2016, Freiberg, Germany.2016.

    @article{,
       author = {Matthias Werner and Till Kolditz and Tomas Karnagel and Dirk Habich and Wolfgang Lehner},
       title = {Multi-GPU Approximation Methods for Silent Data Corruption of AN-Coding},
       booktitle = {12th International Workshop on Boolean Problems, IWSBP 2016, Freiberg, Germany},
       year = {2016},
       month = {9}
    }

  • Heterogeneous Query Optimization.

    Karnagel, T.

    In VLDB PhD Workshop, 2016, New Deli, India.2016.

    @article{,
       author = {Tomas Karnagel},
       title = {Heterogeneous Query Optimization},
       booktitle = {VLDB PhD Workshop, 2016, New Deli, India},
       year = {2016},
       month = {9}
    }

  • Runtime Model for Role-based Software Systems.

    Jäkel, T.; Herrmann, K.; Voigt, H.

    MRT'162016.

    @inproceedings{,
       author = {Tobias J\"{a}kel and Kai Herrmann and Hannes Voigt},
       title = {Runtime Model for Role-based Software Systems},
       year = {2016},
       month = {7}
    }

  • HW/SW-Database-CoDesign for Compressed Bitmap Index Processing.

    Haas, S.; Karnagel, T.; Arnold, O.; Laux, E.; Schlegel, B.; Fettweis, G.; Lehner, W.

    In 2016 IEEE 27th International Conference on Application-specific Systems, Architectures and Processors (ASAP), London, UK.2016.

    @inproceedings{,
       author = {Sebastian Haas and Tomas Karnagel and Oliver Arnold and Erik Laux and Benjamin Schlegel and Gerhard Fettweis and Wolfgang Lehner},
       title = {HW/SW-Database-CoDesign for Compressed Bitmap Index Processing},
       booktitle = {2016 IEEE 27th International Conference on Application-specific Systems, Architectures and Processors (ASAP), London, UK},
       year = {2016},
       month = {7}
    }

  • InVerDa – co-existing schema versions made foolproof.

    Herrmann, K.; Voigt, H.; Seyschab, T.; Lehner, W.

    ICDE '16, Helsinki, Finland.2016.

    @{,
       author = {Kai Herrmann and Hannes Voigt and Thorsten Seyschab and Wolfgang Lehner},
       title = {InVerDa \&\#8211; co-existing schema versions made foolproof},
       year = {2016},
       month = {5},
       location = {Helsinki, Finland}
    }

  • DebEAQ – debugging empty-answer queries on large data graphs.

    Vasilyeva, E.; Heinze, T.; Thiele, M.; Lehner, W.

    ICDE'16, Helsinki, Finland.IEEE,1402-1405,2016.Links: https://ieeexplore.ieee.org/document/7498355.

    @conference{,
       author = {Elena Vasilyeva and Thomas Heinze and Maik Thiele and Wolfgang Lehner},
       title = {DebEAQ \&\#8211; debugging empty-answer queries on large data graphs},
       year = {2016},
       month = {5},
       isbn = {978-1-5090-2020-1},
       location = {Helsinki, Finland},
       pages = {1402--1405},
       numpages = {4},
       url = {https://doi.org/10.1109/ICDE.2016.7498355},
       publisher = {IEEE}
    }

  • Model kit for lightweight data compression algorithms.

    Hildebrandt, J.; Habich, D.; Damme, P.; Lehner, W.

    In Proceedings of the 19th International Conference on Extending Database Technology, {EDBT} 2016, Bordeaux, France, March 15-16, 2016, Bordeaux, France, March 15-16, 2016.692-693,2016.

    @article{,
       author = {Juliana Hildebrandt and Dirk Habich and Patrick Damme and Wolfgang Lehner},
       title = {Model kit for lightweight data compression algorithms},
       booktitle = {Proceedings of the 19th International Conference on Extending Database Technology, {EDBT} 2016, Bordeaux, France, March 15-16, 2016, Bordeaux, France, March 15-16, 2016},
       year = {2016},
       month = {3},
       pages = {692--693},
       numpages = {2},
       url = {10.5220/0006009301890194},
       crossref = {DBLP:conf/edbt/2016}
    }

  • Metamodeling Lightweight Data Compression Algorithms and its Application Scenarios

    Metamodeling Lightweight Data Compression Algorithms and its Application Scenarios.

    Hildebrandt, J.; Habich, D.; Kühn, T.; Damme, P.; Lehner, W.

    In Proceedings of the ER Forum 2017 and the ER 2017 Demo Track co-located with the 36th International Conference on Conceptual Modelling (ER 2017), Valencia, Spain, - November 6-9, 2017.ER 2017, Valencia, Spain.CEUR-WS.org,128-141,2016.Links: Paper.

    @conference{,
       author = {Juliana Hildebrandt and Dirk Habich and Thomas K\"{u}hn and Patrick Damme and Wolfgang Lehner},
       title = {Metamodeling Lightweight Data Compression Algorithms and its Application Scenarios},
       booktitle = {Proceedings of the ER Forum 2017 and the ER 2017 Demo Track co-located with the 36th International Conference on Conceptual Modelling (ER 2017), Valencia, Spain, - November 6-9, 2017.},
       year = {2016},
       month = {1},
       location = {Valencia, Spain},
       pages = {128--141},
       numpages = {14},
       publisher = {CEUR-WS.org}
    }

  • Quality measures for ETL processes: from goals to implementation.

    Theodorou, V.; Abelló, A.; Thiele, M.; Lehner, W.

    In Concurrency and Computation: Practice and Experience.John Wiley and Sons Ltd,3969-3993,2016.Links: https://dl.acm.org/citation.cfm?id=3072206.

    @article{,
       author = {Vasileios Theodorou and Alberto Abelló and Maik Thiele and Wolfgang Lehner},
       title = {Quality measures for ETL processes: from goals to implementation},
       journal = {Concurrency and Computation: Practice and Experience},
       volume = {28},
       year = {2016},
       pages = {3969--3993},
       url = {http://dx.doi.org/10.1002/cpe.3729},
       acmid = {3072206},
       publisher = {John Wiley and Sons Ltd}
    }

  • Logical Data Independence in the 21st Century – Co-Existing Schema Versions with InVerDa.

    Lehner, W.; Voigt, H.; Herrmann, K.

    In CoRR.2016.

    @article{,
       author = {Wolfgang Lehner and Hannes Voigt and Kai Herrmann},
       title = {Logical Data Independence in the 21st Century \&\#8211; Co-Existing Schema Versions with InVerDa},
       journal = {CoRR},
       year = {2016},
       url = {http://arxiv.org/abs/1608.05564}
    }

  • Challenges for Context-Driven Time Series Forecasting.

    Ulbricht, R.; Donker, H.; Hartmann, C.; Hahmann, M.; Lehner, W.

    In J. Data and Information Quality.2016.

    @article{,
       author = {Robert Ulbricht and Hilko Donker and Claudio Hartmann and Martin Hahmann and Wolfgang Lehner},
       title = {Challenges for Context-Driven Time Series Forecasting},
       journal = {J. Data and Information Quality},
       volume = {7},
       year = {2016},
       url = {http://doi.acm.org/10.1145/2896822}
    }

  • Big by blocks: modular analytics.

    Hahmann, M.; Hartmann, C.; Kegel, L.; Habich, D.; Lehner, W.

    In it - Information Technology.176-185,2016.

    @article{,
       author = {Martin Hahmann and Claudio Hartmann and Lars Kegel and Dirk Habich and Wolfgang Lehner},
       title = {Big by blocks: modular analytics},
       journal = {it - Information Technology},
       volume = {58},
       year = {2016},
       pages = {176--185},
       url = {http://dx.doi.org/10.1515/itit-2016-0003}
    }

  • Answering “Why Empty?” and “Why So Many?” queries in graph databases.

    Vasilyeva, E.; Thiele, M.; Bornhövd, C.; Lehner, W.

    In J. Comput. Syst. Sci.3-22,2016.Links: https://dl.acm.org/citation.cfm?id=2838241.

    @article{,
       author = {Elena Vasilyeva and Maik Thiele and Christof Bornh\"{o}vd and Wolfgang Lehner},
       title = {Answering \&\#8220;Why Empty?\&\#8221; and \&\#8220;Why So Many?\&\#8221; queries in graph databases},
       journal = {J. Comput. Syst. Sci.},
       volume = {82},
       year = {2016},
       pages = {3--22},
       url = {http://dx.doi.org/10.1016/j.jcss.2015.06.007},
       acmid = {2838241},
       keywords = {Graph databases, “Why?” query, “Why Empty?” query, “Why So Few?” query, “Why Not?” query, “Why So Many?” query, Missing answer}
    }

  • Web-based Benchmarks for Forecasting Systems: The ECAST Platform.

    Ulbricht, R.; Hartmann, C.; Hahmann, M.; Donker, H.; Lehner, W.

    In Proceedings of the 2016 International Conference on Management of Data, SIGMOD Conference 2016, San Francisco, CA, USA, June 26 - July 01, 2016.özcan, Fatma; Koutrika, Georgia & Madden, Sam,2169-2172,2016.

    @article{,
       author = {Robert Ulbricht and Claudio Hartmann and Martin Hahmann and Hilko Donker and Wolfgang Lehner},
       title = {Web-based Benchmarks for Forecasting Systems: The ECAST Platform},
       booktitle = {Proceedings of the 2016 International Conference on Management of Data, SIGMOD Conference 2016, San Francisco, CA, USA, June 26 - July 01, 2016},
       year = {2016},
       isbn = {978-1-4503-3531-7},
       pages = {2169--2172},
       url = {http://doi.acm.org/10.1145/2882903.2899399},
       publisher = {\"{o}zcan, Fatma; Koutrika, Georgia \& Madden, Sam}
    }

  • Towards a Role-Based Contextual Database.

    Jäkel, T.; Kühn, T.; Voigt, H.; Lehner, W.

    In Advances in Databases and Information Systems - 20th East European Conference, ADBIS 2016, Prague, Czech Republic, August 28-31, 2016, Proceedings.Pokorný, Jaroslav; Ivanovic, Mirjana; Thalheim, Bernhard & Saloun, Petr,89-103,2016.

    @article{,
       author = {Tobias J\"{a}kel and Thomas K\"{u}hn and Hannes Voigt and Wolfgang Lehner},
       title = {Towards a Role-Based Contextual Database},
       booktitle = {Advances in Databases and Information Systems - 20th East European Conference, ADBIS 2016, Prague, Czech Republic, August 28-31, 2016, Proceedings},
       series = {Lecture Notes in Computer Science},
       volume = {9809},
       year = {2016},
       isbn = {978-3-319-44038-5},
       pages = {89--103},
       url = {http://dx.doi.org/10.1007/978-3-319-44039-2_7},
       publisher = {Pokorný, Jaroslav; Ivanovic, Mirjana; Thalheim, Bernhard \& Saloun, Petr}
    }

  • Topology-aware optimization of big sparse matrices and matrix multiplications on main-memory systems.

    Lehner, W.; Kernert, D.

    In 32nd IEEE International Conference on Data Engineering, ICDE 2016, Helsinki, Finland, May 16-20, 2016.823-834,2016.

    @article{,
       author = {Wolfgang Lehner and David Kernert},
       title = {Topology-aware optimization of big sparse matrices and matrix multiplications on main-memory systems},
       booktitle = {32nd IEEE International Conference on Data Engineering, ICDE 2016, Helsinki, Finland, May 16-20, 2016},
       year = {2016},
       isbn = {978-1-5090-2020-1},
       pages = {823--834},
       url = {http://dx.doi.org/10.1109/ICDE.2016.7498293}
    }

  • Template-based Time Series Generation with Loom.

    Kegel, L.; Hahmann, M.; Lehner, W.

    In Proceedings of the Workshops of the EDBT/ICDT 2016 Joint Conference, EDBT/ICDT Workshops 2016, Bordeaux, France, March 15, 2016.Palpanas, Themis & Stefanidis, Kostas,2016.Links: Download.

    @article{,
       author = {Lars Kegel and Martin Hahmann and Wolfgang Lehner},
       title = {Template-based Time Series Generation with Loom},
       booktitle = {Proceedings of the Workshops of the EDBT/ICDT 2016 Joint Conference, EDBT/ICDT Workshops 2016, Bordeaux, France, March 15, 2016.},
       series = {CEUR Workshop Proceedings},
       volume = {1558},
       year = {2016},
       url = {http://ceur-ws.org/Vol-1558/paper18.pdf},
       publisher = {Palpanas, Themis \& Stefanidis, Kostas}
    }

  • ResilientStore: A Heuristic-Based Data Format Selector for Intermediate Results.

    Munir, R.; Romero, O.; Abelló, A.; Bilalli, B.; Thiele, M.; Lehner, W.

    In Model and Data Engineering - 6th International Conference, MEDI 2016, Almería, Spain, September 21-23, 2016, Proceedings.MEDI'16Bellatreche, Ladjel; Pastor, Oscar; Almendros-Jiménez, Jesús M. & Ameur, Yamine Aït,42-56,2016.Links: https://link.springer.com/chapter/10.1007/978-3-319-45547-1_4.

    @article{,
       author = {Rana Faisal Munir and Oscar Romero and Alberto Abelló and Besim Bilalli and Maik Thiele and Wolfgang Lehner},
       title = {ResilientStore: A Heuristic-Based Data Format Selector for Intermediate Results},
       booktitle = {Model and Data Engineering - 6th International Conference, MEDI 2016, Almería, Spain, September 21-23, 2016, Proceedings},
       series = {Lecture Notes in Computer Science},
       volume = {9893},
       year = {2016},
       isbn = {978-3-319-45546-4},
       pages = {42--56},
       url = {http://dx.doi.org/10.1007/978-3-319-45547-1_4},
       publisher = {Bellatreche, Ladjel; Pastor, Oscar; Almendros-Jim\'{e}nez, Jesús M. \& Ameur, Yamine Aït},
       keywords = {Big data, Data-intensive workflows, Intermediate results, Data format, HDFS}
    }

  • Penalized Graph Partitioning for Static and Dynamic Load Balancing.

    Lehner, W.; Habich, D.; Kiefer, T.

    In Euro-Par 2016: Parallel Processing - 22nd International Conference on Parallel and Distributed Computing, Grenoble, France, August 24-26, 2016, Proceedings.Dutot, Pierre-Françcois & Trystram, Denis,146-158,2016.

    @article{,
       author = {Wolfgang Lehner and Dirk Habich and Tim Kiefer},
       title = {Penalized Graph Partitioning for Static and Dynamic Load Balancing},
       booktitle = {Euro-Par 2016: Parallel Processing - 22nd International Conference on Parallel and Distributed Computing, Grenoble, France, August 24-26, 2016, Proceedings},
       series = {Lecture Notes in Computer Science},
       volume = {9833},
       year = {2016},
       isbn = {978-3-319-43658-6},
       pages = {146--158},
       url = {http://dx.doi.org/10.1007/978-3-319-43659-3_11},
       publisher = {Dutot, Pierre-Françcois \& Trystram, Denis}
    }

  • Penalized graph partitioning based allocation strategy for database-as-a-service systems.

    Lehner, W.; Habich, D.; Kiefer, T.

    In Proceedings of the 3rd IEEE/ACM International Conference on Big Data Computing, Applications and Technologies, BDCAT 2016, Shanghai, China, December 6-9, 2016.Anjum, Ashiq & Zhao, Xinghui,200-209,2016.

    @article{,
       author = {Wolfgang Lehner and Dirk Habich and Tim Kiefer},
       title = {Penalized graph partitioning based allocation strategy for database-as-a-service systems},
       booktitle = {Proceedings of the 3rd IEEE/ACM International Conference on Big Data Computing, Applications and Technologies, BDCAT 2016, Shanghai, China, December 6-9, 2016},
       year = {2016},
       isbn = {978-1-4503-4617-7},
       pages = {200--209},
       url = {http://doi.acm.org/10.1145/3006299.3006300},
       publisher = {Anjum, Ashiq \& Zhao, Xinghui}
    }

  • On testing persistent-memory-based software.

    Oukid, I.; Booss, D.; Lespinasse, A.; Lehner, W.

    In Proceedings of the 12th International Workshop on Data Management on New Hardware, DaMoN 2016, San Francisco, CA, USA, June 27, 2016.ACM,2016.

    @article{,
       author = {Ismail Oukid and Daniel Booss and Adrien Lespinasse and Wolfgang Lehner},
       title = {On testing persistent-memory-based software},
       booktitle = {Proceedings of the 12th International Workshop on Data Management on New Hardware, DaMoN 2016, San Francisco, CA, USA, June 27, 2016},
       year = {2016},
       isbn = {978-1-4503-4319-0},
       url = {http://doi.acm.org/10.1145/2933349.2933354},
       publisher = {ACM}
    }

  • Model-Driven Integration of Compression Algorithms in Column-Store Database Systems.

    Hildebrandt, J.; Habich, D.; Lehner, W.

    In Proceedings of the Conference Lernen. Wissen. Daten. Analysen. Potsdam,30-41,2016.

    @article{,
       author = {Juliana Hildebrandt and Dirk Habich and Wolfgang Lehner},
       title = {Model-Driven Integration of Compression Algorithms in Column-Store Database Systems},
       booktitle = {Proceedings of the Conference Lernen. Wissen. Daten. Analysen.},
       volume = {1670},
       year = {2016},
       pages = {30--41},
       publisher = { Potsdam}
    }

  • Limitations of Intra-operator Parallelism Using Heterogeneous Computing Resources.

    Karnagel, T.; Habich, D.; Lehner, W.

    In Advances in Databases and Information Systems - 20th East European Conference, ADBIS 2016, Prague, Czech Republic, August 28-31, 2016, Proceedings.Pokorný, Jaroslav; Ivanovic, Mirjana; Thalheim, Bernhard & Saloun, Petr,291-305,2016.

    @article{,
       author = {Tomas Karnagel and Dirk Habich and Wolfgang Lehner},
       title = {Limitations of Intra-operator Parallelism Using Heterogeneous Computing Resources},
       booktitle = {Advances in Databases and Information Systems - 20th East European Conference, ADBIS 2016, Prague, Czech Republic, August 28-31, 2016, Proceedings},
       series = {Lecture Notes in Computer Science},
       volume = {9809},
       year = {2016},
       isbn = {978-3-319-44038-5},
       pages = {291--305},
       url = {http://dx.doi.org/10.1007/978-3-319-44039-2_20},
       publisher = {Pokorný, Jaroslav; Ivanovic, Mirjana; Thalheim, Bernhard \& Saloun, Petr}
    }

  • HUGS – A Lightweight Graph Partitioning Approach.

    Krause, A.; Voigt, H.; Lehner, W.

    In Proceedings of the 28th GI-Workshop Grundlagen von Datenbanken, Nörten Hardenberg, Germany, May 24-27, 2016.Wiese, Lena; Bitzmann, Hendrik & Waage, Tim,68-73,2016.

    @article{,
       author = {Alexander Krause and Hannes Voigt and Wolfgang Lehner},
       title = {HUGS \&\#8211; A Lightweight Graph Partitioning Approach},
       booktitle = {Proceedings of the 28th GI-Workshop Grundlagen von Datenbanken, N\"{o}rten Hardenberg, Germany, May 24-27, 2016.},
       series = {CEUR Workshop Proceedings},
       volume = {1594},
       year = {2016},
       pages = {68--73},
       url = {http://ceur-ws.org/Vol-1594/paper13.pdf},
       publisher = {Wiese, Lena; Bitzmann, Hendrik \& Waage, Tim}
    }

  • FPTree: A Hybrid SCM-DRAM Persistent and Concurrent B-Tree for Storage Class Memory.

    Oukid, I.; Lasperas, J.; Nica, A.; Willhalm, T.; Lehner, W.

    In Proceedings of the 2016 International Conference on Management of Data, SIGMOD Conference 2016, San Francisco, CA, USA, June 26 - July 01, 2016.ACM,371-386,2016.

    @article{,
       author = {Ismail Oukid and Johan Lasperas and Anisoara Nica and Thomas Willhalm and Wolfgang Lehner},
       title = {FPTree: A Hybrid SCM-DRAM Persistent and Concurrent B-Tree for Storage Class Memory},
       booktitle = {Proceedings of the 2016 International Conference on Management of Data, SIGMOD Conference 2016, San Francisco, CA, USA, June 26 - July 01, 2016},
       year = {2016},
       isbn = {978-1-4503-3531-7},
       pages = {371--386},
       url = {http://doi.acm.org/10.1145/2882903.2915251},
       publisher = {ACM}
    }

  • Efficient Approximate OLAP Querying Over Time Series.

    Lehner, W.; Hahmann, M.; Perera, K.

    In Proceedings of the 20th International Database Engineering & Applications Symposium, IDEAS 2016, Montreal, QC, Canada, July 11-13, 2016.Desai, Evan; Desai, Bipin C.; Toyama, Motomichi & Bernardino, Jorge,205-211,2016.

    @article{,
       author = {Wolfgang Lehner and Martin Hahmann and Kasun Perera},
       title = {Efficient Approximate OLAP Querying Over Time Series},
       booktitle = {Proceedings of the 20th International Database Engineering \& Applications Symposium, IDEAS 2016, Montreal, QC, Canada, July 11-13, 2016},
       year = {2016},
       isbn = {978-1-4503-4118-9},
       pages = {205--211},
       url = {http://doi.acm.org/10.1145/2938503.2938526},
       publisher = {Desai, Evan; Desai, Bipin C.; Toyama, Motomichi \& Bernardino, Jorge}
    }

  • Dealing with Uncertainty: An Empirical Study on the Relevance of Renewable Energy Forecasting Methods.

    Ulbricht, R.; Thoß, A.; Gräfe, G.; Donker, H.; Lehner, W.

    In Data Analytics for Renewable Energy Integration - 4th ECML PKDD Workshop, DARE 2016, Riva del Garda, Italy, September 23, 2016, Revised Selected Papers.Woon, Wei Lee; Aung, Zeyar; Kramer, Oliver & Madnick, Stuart E.,54-66,2016.

    @article{,
       author = {Robert Ulbricht and Anna Tho\ss and Gunter Gr\"{a}fe and Hilko Donker and Wolfgang Lehner},
       title = {Dealing with Uncertainty: An Empirical Study on the Relevance of Renewable Energy Forecasting Methods},
       booktitle = {Data Analytics for Renewable Energy Integration - 4th ECML PKDD Workshop, DARE 2016, Riva del Garda, Italy, September 23, 2016, Revised Selected Papers},
       series = {Lecture Notes in Computer Science},
       volume = {10097},
       year = {2016},
       isbn = {978-3-319-50946-4},
       pages = {54--66},
       url = {http://dx.doi.org/10.1007/978-3-319-50947-1_6},
       publisher = {Woon, Wei Lee; Aung, Zeyar; Kramer, Oliver \& Madnick, Stuart E.}
    }

  • Architecture of a Multi-domain Processing and Storage Engine.

    Luong, J.; Habich, D.; Lehner, W.

    In DATA 2016 - Proceedings of 5th International Conference on Data Management Technologies and Applications, Lisbon, Portugal, 24-26 July, 2016.Francalanci, Chiara & Helfert, Markus,189-194,2016.

    @article{,
       author = {Johannes Luong and Dirk Habich and Wolfgang Lehner},
       title = {Architecture of a Multi-domain Processing and Storage Engine},
       booktitle = {DATA 2016 - Proceedings of 5th International Conference on Data Management Technologies and Applications, Lisbon, Portugal, 24-26 July, 2016.},
       year = {2016},
       isbn = {978-989-758-193-9},
       pages = {189--194},
       url = {http://dx.doi.org/10.5220/0006009301890194},
       publisher = {Francalanci, Chiara \& Helfert, Markus}
    }

  • Energy Elasticity on Heterogeneous Hardware using Adaptive Resource Reconfiguration LIVE.

    Lehner, W.; Habich, D.; Kissinger, T.; Ungethüm, A.

    In Proceedings of the 2016 International Conference on Management of Data, SIGMOD Conference 2016, San Francisco, CA, USA, June 26 - July 01, 2016.özcan, Fatma; Koutrika, Georgia & Madden, Sam,2173-2176,2016.

    @article{,
       author = {Wolfgang Lehner and Dirk Habich and Thomas Kissinger and Annett Ungeth\"{u}m},
       title = {Energy Elasticity on Heterogeneous Hardware using Adaptive Resource Reconfiguration LIVE},
       booktitle = {Proceedings of the 2016 International Conference on Management of Data, SIGMOD Conference 2016, San Francisco, CA, USA, June 26 - July 01, 2016},
       year = {2016},
       isbn = {978-1-4503-3531-7},
       pages = {2173--2176},
       url = {http://doi.acm.org/10.1145/2882903.2899390},
       publisher = {\"{o}zcan, Fatma; Koutrika, Georgia \& Madden, Sam}
    }

  • Needles in the haystack – Tackling Bit Flips in Lightweight Data Compression.

    Kolditz, T.; Habich, D.; Kuvaiskii, D.; Lehner, W.; Fetzer, C.

    In Data Management Technologies and Applications.Springer International Publishing,135-153,2016.

    @incollection{10.1007/978-3-319-30162-4,
       author = {Till Kolditz and Dirk Habich and Dmitrii Kuvaiskii and Wolfgang Lehner and Christof Fetzer},
       title = {Needles in the haystack \&\#8211; Tackling Bit Flips in Lightweight Data Compression},
       booktitle = {Data Management Technologies and Applications},
       series = {Communications in Computer and Information Science},
       volume = {584},
       year = {2016},
       isbn = {978-3-319-30162-4},
       pages = {135--153},
       numpages = {9},
       url = {http://www.springer.com/de/book/9783319301617},
       publisher = {Springer International Publishing}
    }

  • Compression-Aware In-Memory Query Processing: Vision, System Design, and Beyond.

    Hildebrandt, J.; Habich, D.; Damme, P.; Lehner, W.

    In Proceedings of the 2016 Joint Workshop on Accelerating Analytics and In-Memory Data Management Systems, LNCS.2016.

    @article{,
       author = {Juliana Hildebrandt and Dirk Habich and Patrick Damme and Wolfgang Lehner},
       title = {Compression-Aware In-Memory Query Processing: Vision, System Design, and Beyond},
       booktitle = {Proceedings of the 2016 Joint Workshop on Accelerating Analytics and In-Memory Data Management Systems, LNCS},
       year = {2016}
    }

Year 2015 (43 Publications)

  • Towards a Hybrid Imputation Approach Using Web Tables.

    Ahmadov, A.; Thiele, M.; Eberius, J.; Lehner, W.; Wrembel, R.

    In 2nd IEEE/ACM International Symposium on Big Data Computing, BDC 2015, Limassol, Cyprus, December 7-10, 2015.IEEE,21-30,2015.Links: https://ieeexplore.ieee.org/document/7406326.

    @article{,
       author = {Ahmad Ahmadov and Maik Thiele and Julian Eberius and Wolfgang Lehner and Robert Wrembel},
       title = {Towards a Hybrid Imputation Approach Using Web Tables},
       booktitle = {2nd IEEE/ACM International Symposium on Big Data Computing, BDC 2015, Limassol, Cyprus, December 7-10, 2015},
       year = {2015},
       month = {12},
       isbn = {978-0-7695-5696-3},
       pages = {21--30},
       url = {http://doi.ieeecomputersociety.org/10.1109/BDC.2015.38},
       publisher = {IEEE},
       keywords = {Table lookup, Web table matching system, Web table retrieval, Web-based lookup, data completeness, hybrid data imputation strategy, regression analysis, Big data, Data analysis, Data mining, indexes, data lake, Data preprocessing, Machine learning, Web mining}
    }

  • Building the Dresden Web Table Corpus: A Classification Approach.

    Eberius, J.; Braunschweig, K.; Hentsch, M.; Thiele, M.; Ahmadov, A.; Lehner, W.

    In 2nd IEEE/ACM International Symposium on Big Data Computing, BDC 2015, Limassol, Cyprus, December 7-10, 2015.BDC'15IEEE,41-50,2015.Links: https://ieeexplore.ieee.org/document/7406328.

    @article{,
       author = {Julian Eberius and Katrin Braunschweig and Markus Hentsch and Maik Thiele and Ahmad Ahmadov and Wolfgang Lehner},
       title = {Building the Dresden Web Table Corpus: A Classification Approach},
       booktitle = {2nd IEEE/ACM International Symposium on Big Data Computing, BDC 2015, Limassol, Cyprus, December 7-10, 2015},
       year = {2015},
       month = {12},
       isbn = {978-0-7695-5696-3},
       pages = {41--50},
       url = {http://doi.ieeecomputersociety.org/10.1109/BDC.2015.30},
       publisher = {IEEE},
       keywords = {Data mining, feature extraction, pattern classification, DWTC, Dresden Web table corpus, HTML tables, Web pages, common crawl, feature selection techniques, table layout classification, table structure, Decision trees, Feature extraction, HTML, Web pages, Classification, Data preprocessing, Machine learning, Web mining}
    }

  • Exploiting big data in time series forecasting: A cross-sectional approach.

    Hartmann, C.; Hahmann, M.; Rosenthal, F.; Lehner, W.

    In 2015 IEEE International Conference on Data Science and Advanced Analytics, DSAA 2015, Campus des Cordeliers, Paris, France, October 19-21, 2015.2015.

    @proceedings{,
       author = {Claudio Hartmann and Martin Hahmann and Frank Rosenthal and Wolfgang Lehner},
       title = {Exploiting big data in time series forecasting: A cross-sectional approach},
       booktitle = {2015 IEEE International Conference on Data Science and Advanced Analytics, DSAA 2015, Campus des Cordeliers, Paris, France, October 19-21, 2015},
       year = {2015},
       month = {10},
       isbn = {978-1-4673-8272-4},
       url = {http://dx.doi.org/10.1109/DSAA.2015.7344786}
    }

  • Monitoring Strategic Business Goals with Argus

    Monitoring Strategic Business Goals with Argus.

    Maté, A.; Trujillo, J.; Koci, E.; Zoumpatianos, K.; Mylopoulos, J.

    In 19th International Enterprise Distributed Object Computing Conference.IEEE,2015.Links: https://ieeexplore.ieee.org/abstract/document/7321148/.

    @conference{,
       author = {Alejandro Mat\'{e} and Juan Trujillo and Elvis Koci and Kostas Zoumpatianos and John Mylopoulos},
       title = {Monitoring Strategic Business Goals with Argus},
       booktitle = {19th International Enterprise Distributed Object Computing Conference},
       year = {2015},
       month = {9},
       location = {Adelaide, SA, Australia},
       url = {https://doi.org/10.1109/EDOC.2015.11},
       publisher = {IEEE}
    }

  • Optimizing GPU-accelerated Group-By and Aggregation.

    Karnagel, T.; Müller, R.; Lohman, G.

    In International Workshop on Accelerating Data Management Systems Using Modern Processor and Storage Architectures - ADMS 2015, Kohala Coast, Hawai'i, USA.2015.

    @article{,
       author = {Tomas Karnagel and Rene M\"{u}ller and Guy Lohman},
       title = {Optimizing GPU-accelerated Group-By and Aggregation},
       booktitle = {International Workshop on Accelerating Data Management Systems Using Modern Processor and Storage Architectures - ADMS 2015, Kohala Coast, Hawai'i, USA},
       year = {2015},
       month = {8}
    }

  • A Benchmark Framework for Data Compression Techniques.

    Damme, P.; Habich, D.; Lehner, W.

    In Performance Evaluation and Benchmarking: Traditional to Big Data to Internet of Things - 7th TPC Technology Conference, TPCTC 2015, Kohala Coast, HI, USA, August 31 - September 4, 2015. Revised Selected Papers.Springer,77-93,2015.

    @inproceedings{,
       author = {Patrick Damme and Dirk Habich and Wolfgang Lehner},
       title = {A Benchmark Framework for Data Compression Techniques},
       booktitle = {Performance Evaluation and Benchmarking: Traditional to Big Data to Internet of Things - 7th TPC Technology Conference, TPCTC 2015, Kohala Coast, HI, USA, August 31 - September 4, 2015. Revised Selected Papers},
       series = {Lecture Notes in Computer Science},
       volume = {9508},
       year = {2015},
       month = {8},
       pages = {77--93},
       numpages = {17},
       url = {http://dx.doi.org/10.1007/978-3-319-31409-9_6},
       publisher = {Springer}
    }

  • The Time Has Come: Traversal and Reachability in Time-Varying Graphs.

    Rudolf, M.; Paradies, M.; Wildemann, M.

    In Biomedical Data Management and Graph Online Querying - VLDB 2015 Workshops, Big-O(Q) and DMAH, Waikoloa, HI, USA, August 31 - September 4, 2015, Revised Selected Papers.Springer,169-183,2015.

    @inproceedings{,
       author = {Michael Rudolf and Marcus Paradies and Max Wildemann},
       title = {The Time Has Come: Traversal and Reachability in Time-Varying Graphs},
       booktitle = {Biomedical Data Management and Graph Online Querying - VLDB 2015 Workshops, Big-O(Q) and DMAH, Waikoloa, HI, USA, August 31 - September 4, 2015, Revised Selected Papers},
       series = {Lecture Notes in Computer Science},
       volume = {9579},
       year = {2015},
       month = {8},
       pages = {169--183},
       url = {http://dx.doi.org/10.1007/978-3-319-41576-5_13},
       publisher = {Springer}
    }

  • Considering User Intention in Differential Graph Queries.

    Vasilyeva, E.; Thiele, M.; Bornhövd, C.; Lehner, W.

    In J. Database Manag.IGI Global,21-40,2015.Links: https://dl.acm.org/citation.cfm?id=2896853.

    @article{,
       author = {Elena Vasilyeva and Maik Thiele and Christof Bornh\"{o}vd and Wolfgang Lehner},
       title = {Considering User Intention in Differential Graph Queries},
       journal = {J. Database Manag.},
       volume = {26},
       year = {2015},
       month = {7},
       pages = {21--40},
       url = {http://dx.doi.org/10.4018/JDM.2015070102},
       acmid = {2896853},
       publisher = {IGI Global},
       address = {Hershey, PA, USA},
       keywords = {Differential Queries, Flooding, Graph Databases, Result Ranking, Routing, Top-K Queries}
    }

  • Towards Scalable Real-time Analytics: An Architecture for Scale-out of OLxP Workloads.

    Lehner, W.

    In PVLDB.1716-1727,2015.

    @article{,
       author = {Wolfgang Lehner},
       title = {Towards Scalable Real-time Analytics: An Architecture for Scale-out of OLxP Workloads},
       journal = {PVLDB},
       volume = {8},
       year = {2015},
       pages = {1716--1727},
       url = {http://www.vldb.org/pvldb/vol8/p1716-goel.pdf}
    }

  • Managed Query Processing within the SAP HANA Database Platform.

    Lehner, W.; Böhm, M.

    In Datenbank-Spektrum.141-152,2015.

    @article{,
       author = {Wolfgang Lehner and Matthias B\"{o}hm},
       title = {Managed Query Processing within the SAP HANA Database Platform},
       journal = {Datenbank-Spektrum},
       volume = {15},
       year = {2015},
       pages = {141--152},
       url = {http://dx.doi.org/10.1007/s13222-015-0185-2}
    }

  • GraphVista: Interactive Exploration Of Large Graphs.

    Lehner, W.; Paradies, M.; Rudolf, M.

    In CoRR.2015.

    @article{,
       author = {Wolfgang Lehner and Marcus Paradies and Michael Rudolf},
       title = {GraphVista: Interactive Exploration Of Large Graphs},
       journal = {CoRR},
       year = {2015},
       url = {http://arxiv.org/abs/1506.00394}
    }

  • Towards Programmability of a NUMA-Aware Storage Engine.

    Habich, D.; Luong, J.; Kissinger, T.; Lehner, W.

    In Proceedings of the LWA 2015 Workshops: KDML, FGWM, IR, and FGDB, Trier, Germany, October 7-9, 2015.Bergmann, Ralph; Görg, Sebastian & Müller, Gilbert,391-402,2015.

    @article{,
       author = {Dirk Habich and Johannes Luong and Thomas Kissinger and Wolfgang Lehner},
       title = {Towards Programmability of a NUMA-Aware Storage Engine},
       booktitle = {Proceedings of the LWA 2015 Workshops: KDML, FGWM, IR, and FGDB, Trier, Germany, October 7-9, 2015.},
       series = {CEUR Workshop Proceedings},
       volume = {1458},
       year = {2015},
       pages = {391--402},
       url = {http://ceur-ws.org/Vol-1458/H01_CRC78_Habich.pdf},
       publisher = {Bergmann, Ralph; G\"{o}rg, Sebastian \& M\"{u}ller, Gilbert}
    }

  • Towards a web-scale data management ecosystem demonstrated by SAP HANA.

    Lehner, W.

    In 31st IEEE International Conference on Data Engineering, ICDE 2015, Seoul, South Korea, April 13-17, 2015.Gehrke, Johannes; Lehner, Wolfgang; Shim, Kyuseok; Cha, Sang Kyun & Lohman, Guy M.,1259-1267,2015.

    @article{,
       author = {Wolfgang Lehner},
       title = {Towards a web-scale data management ecosystem demonstrated by SAP HANA},
       booktitle = {31st IEEE International Conference on Data Engineering, ICDE 2015, Seoul, South Korea, April 13-17, 2015},
       year = {2015},
       isbn = {978-1-4799-7964-6},
       pages = {1259--1267},
       url = {http://dx.doi.org/10.1109/ICDE.2015.7113374},
       publisher = {Gehrke, Johannes; Lehner, Wolfgang; Shim, Kyuseok; Cha, Sang Kyun \& Lohman, Guy M.}
    }

  • Top-k entity augmentation using consistent set covering.

    Eberius, J.; Thiele, M.; Braunschweig, K.; Lehner, W.

    In Proceedings of the 27th International Conference on Scientific and Statistical Database Management, SSDBM '15, La Jolla, CA, USA, June 29 - July 1, 2015.Gupta, Amarnath & Rathbun, Susan L.,2015.Links: https://dl.acm.org/citation.cfm?id=2791353.

    @article{,
       author = {Julian Eberius and Maik Thiele and Katrin Braunschweig and Wolfgang Lehner},
       title = {Top-k entity augmentation using consistent set covering},
       booktitle = {Proceedings of the 27th International Conference on Scientific and Statistical Database Management, SSDBM '15, La Jolla, CA, USA, June 29 - July 1, 2015},
       year = {2015},
       isbn = {978-1-4503-3709-0},
       url = {http://doi.acm.org/10.1145/2791347.2791353},
       acmid = {2791353},
       publisher = {Gupta, Amarnath \& Rathbun, Susan L.}
    }

  • SpMacho – Optimizing Sparse Linear Algebra Expressions with Probabilistic Density Estimation.

    Lehner, W.; Kernert, D.

    In Proceedings of the 18th International Conference on Extending Database Technology, EDBT 2015, Brussels, Belgium, March 23-27, 2015.Alonso, Gustavo; Geerts, Floris; Popa, Lucian; Barceló, Pablo; Teubner, Jens; Ugarte, Martín; den Bussche, Jan Van & Paredaens, Jan,289-300,2015.

    @article{,
       author = {Wolfgang Lehner and David Kernert},
       title = {SpMacho \&\#8211; Optimizing Sparse Linear Algebra Expressions with Probabilistic Density Estimation},
       booktitle = {Proceedings of the 18th International Conference on Extending Database Technology, EDBT 2015, Brussels, Belgium, March 23-27, 2015.},
       year = {2015},
       pages = {289--300},
       url = {http://dx.doi.org/10.5441/002/edbt.2015.26},
       publisher = {Alonso, Gustavo; Geerts, Floris; Popa, Lucian; Barceló, Pablo; Teubner, Jens; Ugarte, Martín; den Bussche, Jan Van \& Paredaens, Jan}
    }

  • SCIT: A Schema Change Interpretation Tool for Dynamic-Schema Data Warehouses.

    Hai, R.; Theodorou, V.; Thiele, M.; Lehner, W.

    In Databases Theory and Applications - 26th Australasian Database Conference, ADC 2015, Melbourne, VIC, Australia, June 4-7, 2015. Proceedings.Sharaf, Mohamed A.; Cheema, Muhammad Aamir & Qi, Jianzhong,323-327,2015.

    @article{,
       author = {Rihan Hai and Vasileios Theodorou and Maik Thiele and Wolfgang Lehner},
       title = {SCIT: A Schema Change Interpretation Tool for Dynamic-Schema Data Warehouses},
       booktitle = {Databases Theory and Applications - 26th Australasian Database Conference, ADC 2015, Melbourne, VIC, Australia, June 4-7, 2015. Proceedings},
       series = {Lecture Notes in Computer Science},
       volume = {9093},
       year = {2015},
       isbn = {978-3-319-19547-6},
       pages = {323--327},
       url = {http://dx.doi.org/10.1007/978-3-319-19548-3_28},
       publisher = {Sharaf, Mohamed A.; Cheema, Muhammad Aamir \& Qi, Jianzhong}
    }

  • SAP HANA – From Relational OLAP Database to Big Data Infrastructure.

    Lehner, W.

    In Proceedings of the 18th International Conference on Extending Database Technology, EDBT 2015, Brussels, Belgium, March 23-27, 2015.Alonso, Gustavo; Geerts, Floris; Popa, Lucian; Barceló, Pablo; Teubner, Jens; Ugarte, Martín; den Bussche, Jan Van & Paredaens, Jan,581-592,2015.

    @article{,
       author = {Wolfgang Lehner},
       title = {SAP HANA \&\#8211; From Relational OLAP Database to Big Data Infrastructure},
       booktitle = {Proceedings of the 18th International Conference on Extending Database Technology, EDBT 2015, Brussels, Belgium, March 23-27, 2015.},
       year = {2015},
       pages = {581--592},
       url = {http://dx.doi.org/10.5441/002/edbt.2015.59},
       publisher = {Alonso, Gustavo; Geerts, Floris; Popa, Lucian; Barceló, Pablo; Teubner, Jens; Ugarte, Martín; den Bussche, Jan Van \& Paredaens, Jan}
    }

  • Robust Cardinality Estimation for Subgraph Isomorphism Queries on Property Graphs.

    Lehner, W.; Vasilyeva, E.; Paradies, M.

    In Biomedical Data Management and Graph Online Querying - VLDB 2015 Workshops, Big-O(Q) and DMAH, Waikoloa, HI, USA, August 31 - September 4, 2015, Revised Selected Papers.Wang, Fusheng; Luo, Gang; Weng, Chunhua; Khan, Arijit; Mitra, Prasenjit & Yu, Cong,184-198,2015.

    @article{,
       author = {Wolfgang Lehner and Elena Vasilyeva and Marcus Paradies},
       title = {Robust Cardinality Estimation for Subgraph Isomorphism Queries on Property Graphs},
       booktitle = {Biomedical Data Management and Graph Online Querying - VLDB 2015 Workshops, Big-O(Q) and DMAH, Waikoloa, HI, USA, August 31 - September 4, 2015, Revised Selected Papers},
       series = {Lecture Notes in Computer Science},
       volume = {9579},
       year = {2015},
       isbn = {978-3-319-41575-8},
       pages = {184--198},
       url = {http://dx.doi.org/10.1007/978-3-319-41576-5_14},
       publisher = {Wang, Fusheng; Luo, Gang; Weng, Chunhua; Khan, Arijit; Mitra, Prasenjit \& Yu, Cong}
    }

  • Resiliency-aware Data Compression for In-memory Database Systems.

    Kolditz, T.; Habich, D.; Damme, P.; Lehner, W.; Kuvaiskii, D.; Fetzer, C.

    In DATA 2015 - Proceedings of 4th International Conference on Data Management Technologies and Applications, Colmar, Alsace, France, 20-22 July, 2015.Helfert, Markus; Holzinger, Andreas; Belo, Orlando & Francalanci, Chiara,326-331,2015.

    @article{,
       author = {Till Kolditz and Dirk Habich and Patrick Damme and Wolfgang Lehner and Dmitrii Kuvaiskii and Christof Fetzer},
       title = {Resiliency-aware Data Compression for In-memory Database Systems},
       booktitle = {DATA 2015 - Proceedings of 4th International Conference on Data Management Technologies and Applications, Colmar, Alsace, France, 20-22 July, 2015.},
       year = {2015},
       isbn = {978-989-758-103-8},
       pages = {326--331},
       url = {http://dx.doi.org/10.5220/0005557303260331},
       publisher = {Helfert, Markus; Holzinger, Andreas; Belo, Orlando \& Francalanci, Chiara}
    }

  • Relaxation of subgraph queries delivering empty results.

    Vasilyeva, E.; Thiele, M.; Lehner, W.

    In Proceedings of the 27th International Conference on Scientific and Statistical Database Management, SSDBM '15, La Jolla, CA, USA, June 29 - July 1, 2015.Gupta, Amarnath & Rathbun, Susan L.,28:1-28:12,2015.

    @article{,
       author = {Elena Vasilyeva and Maik Thiele and Wolfgang Lehner},
       title = {Relaxation of subgraph queries delivering empty results},
       booktitle = {Proceedings of the 27th International Conference on Scientific and Statistical Database Management, SSDBM '15, La Jolla, CA, USA, June 29 - July 1, 2015},
       year = {2015},
       isbn = {978-1-4503-3709-0},
       pages = {28},
       url = {http://doi.acm.org/10.1145/2791347.2791382},
       publisher = {Gupta, Amarnath \& Rathbun, Susan L.}
    }

  • Relationships for Dynamic Data Types in RSQL.

    Lehner, W.; Voigt, H.; Jäkel, T.

    In Datenbanksysteme für Business, Technologie und Web (BTW), 16. Fachtagung des GI-Fachbereichs Datenbanken und Informationssysteme" (DBIS).157-176,2015.

    @article{,
       author = {Wolfgang Lehner and Hannes Voigt and Tobias J\"{a}kel},
       title = {Relationships for Dynamic Data Types in RSQL},
       booktitle = {Datenbanksysteme f\"{u}r Business, Technologie und Web (BTW), 16. Fachtagung des GI-Fachbereichs Datenbanken und Informationssysteme"' (DBIS)},
       volume = {241},
       year = {2015},
       isbn = {978-3-88579-635-0},
       pages = {157--176},
       url = {http://subs.emis.de/LNI/Proceedings/Proceedings241/article5.html}
    }

  • Query processing on low-energy many-core processors.

    Ungethüm, A.; Habich, D.; Karnagel, T.; Lehner, W.; Asmussen, N.; Völp, M.; Noethen, B.; Fettweis, G.

    In 31st IEEE International Conference on Data Engineering Workshops, ICDE Workshops 2015, Seoul, South Korea, April 13-17, 2015.155-160,2015.

    @article{,
       author = {Annett Ungeth\"{u}m and Dirk Habich and Tomas Karnagel and Wolfgang Lehner and Nils Asmussen and Marcus V\"{o}lp and Benedikt Noethen and Gerhard Fettweis},
       title = {Query processing on low-energy many-core processors},
       booktitle = {31st IEEE International Conference on Data Engineering Workshops, ICDE Workshops 2015, Seoul, South Korea, April 13-17, 2015},
       year = {2015},
       isbn = {978-1-4799-8442-8},
       pages = {155--160},
       url = {http://dx.doi.org/10.1109/ICDEW.2015.7129569}
    }

  • POIESIS: a Tool for Quality-aware ETL Process Redesign.

    Theodorou, V.; Abelló, A.; Thiele, M.; Lehner, W.

    In Proceedings of the 18th International Conference on Extending Database Technology, EDBT 2015, Brussels, Belgium, March 23-27, 2015.Alonso, Gustavo; Geerts, Floris; Popa, Lucian; Barceló, Pablo; Teubner, Jens; Ugarte, Martín; den Bussche, Jan Van & Paredaens, Jan,545-548,2015.

    @article{,
       author = {Vasileios Theodorou and Alberto Abelló and Maik Thiele and Wolfgang Lehner},
       title = {POIESIS: a Tool for Quality-aware ETL Process Redesign},
       booktitle = {Proceedings of the 18th International Conference on Extending Database Technology, EDBT 2015, Brussels, Belgium, March 23-27, 2015.},
       year = {2015},
       pages = {545--548},
       url = {http://dx.doi.org/10.5441/002/edbt.2015.54},
       publisher = {Alonso, Gustavo; Geerts, Floris; Popa, Lucian; Barceló, Pablo; Teubner, Jens; Ugarte, Martín; den Bussche, Jan Van \& Paredaens, Jan}
    }

  • Plan Operator Specialization using Reflective Compiler Techniques.

    Lehner, W.; Habich, D.; Kissinger, T.

    In Datenbanksysteme für Business, Technologie und Web (BTW), 16. Fachtagung des GI-Fachbereichs Datenbanken und Informationssysteme" (DBIS).363-382,2015.

    @article{,
       author = {Wolfgang Lehner and Dirk Habich and Thomas Kissinger},
       title = {Plan Operator Specialization using Reflective Compiler Techniques},
       booktitle = {Datenbanksysteme f\"{u}r Business, Technologie und Web (BTW), 16. Fachtagung des GI-Fachbereichs Datenbanken und Informationssysteme"' (DBIS)},
       volume = {241},
       year = {2015},
       isbn = {978-3-88579-635-0},
       pages = {363--382},
       url = {http://subs.emis.de/LNI/Proceedings/Proceedings241/article8.html}
    }

  • Optimierung der Anfrageverarbeitung mittels Kompression der Zwischenergebnisse.

    Habich, D.; Damme, P.; Lehner, W.

    In Datenbanksysteme für Business, Technologie und Web (BTW), 16. Fachtagung des GI-Fachbereichs Datenbanken und Informationssysteme" (DBIS).259-278,2015.

    @article{,
       author = {Dirk Habich and Patrick Damme and Wolfgang Lehner},
       title = {Optimierung der Anfrageverarbeitung mittels Kompression der Zwischenergebnisse},
       booktitle = {Datenbanksysteme f\"{u}r Business, Technologie und Web (BTW), 16. Fachtagung des GI-Fachbereichs Datenbanken und Informationssysteme"' (DBIS)},
       volume = {241},
       year = {2015},
       isbn = {978-3-88579-635-0},
       pages = {259--278},
       url = {http://subs.emis.de/LNI/Proceedings/Proceedings241/article42.html}
    }

  • Online Bit Flip Detection for In-Memory B-Trees Live!.

    Kolditz, T.; Schlegel, B.; Habich, D.; Lehner, W.

    In Datenbanksysteme für Business, Technologie und Web (BTW), 16. Fachtagung des GI-Fachbereichs Datenbanken und Informationssysteme" (DBIS).675-678,2015.

    @article{,
       author = {Till Kolditz and Benjamin Schlegel and Dirk Habich and Wolfgang Lehner},
       title = {Online Bit Flip Detection for In-Memory B-Trees Live!},
       booktitle = {Datenbanksysteme f\"{u}r Business, Technologie und Web (BTW), 16. Fachtagung des GI-Fachbereichs Datenbanken und Informationssysteme"' (DBIS)},
       volume = {241},
       year = {2015},
       isbn = {978-3-88579-635-0},
       pages = {675--678},
       url = {http://subs.emis.de/LNI/Proceedings/Proceedings241/article3.html}
    }

  • Modularisierung leichtgewichtiger Kompressionsalgorithmen.

    Hildebrandt, J.; Habich, D.; Damme, P.; Lehner, W.

    In Proceedings of the 27th GI-Workshop Grundlagen von Datenbanken, Gommern, Germany, May 26-29, 2015.Saake, Gunter; Broneske, David; Dorok, Sebastian & Meister, Andreas,54-59,2015.Links: .

    @article{,
       author = {Juliana Hildebrandt and Dirk Habich and Patrick Damme and Wolfgang Lehner},
       title = {Modularisierung leichtgewichtiger Kompressionsalgorithmen},
       booktitle = {Proceedings of the 27th GI-Workshop Grundlagen von Datenbanken, Gommern, Germany, May 26-29, 2015.},
       series = {CEUR Workshop Proceedings},
       volume = {1366},
       year = {2015},
       pages = {54--59},
       url = {http://ceur-ws.org/Vol-1366/paper11.pdf},
       publisher = {Saake, Gunter; Broneske, David; Dorok, Sebastian \& Meister, Andreas}
    }

  • Modeling Large Time Series for Efficient Approximate Query Processing.

    Lehner, W.; Hahmann, M.; Perera, K.

    In Database Systems for Advanced Applications - DASFAA 2015 International Workshops, SeCoP, BDMS, and Posters, Hanoi, Vietnam, April 20-23, 2015, Revised Selected Papers.Liu, An; Ishikawa, Yoshiharu; Qian, Tieyun; Nutanong, Sarana & Cheema, Muhammad Aamir,190-204,2015.

    @article{,
       author = {Wolfgang Lehner and Martin Hahmann and Kasun Perera},
       title = {Modeling Large Time Series for Efficient Approximate Query Processing},
       booktitle = {Database Systems for Advanced Applications - DASFAA 2015 International Workshops, SeCoP, BDMS, and Posters, Hanoi, Vietnam, April 20-23, 2015, Revised Selected Papers},
       series = {Lecture Notes in Computer Science},
       volume = {9052},
       year = {2015},
       isbn = {978-3-319-22323-0},
       pages = {190--204},
       url = {http://dx.doi.org/10.1007/978-3-319-22324-7_16},
       publisher = {Liu, An; Ishikawa, Yoshiharu; Qian, Tieyun; Nutanong, Sarana \& Cheema, Muhammad Aamir}
    }

  • Local vs. Global Optimization: Operator Placement Strategies in Heterogeneous Environments.

    Karnagel, T.; Habich, D.; Lehner, W.

    In Proceedings of the Workshops of the EDBT/ICDT 2015 Joint Conference (EDBT/ICDT), Brussels, Belgium, March 27th, 2015.Fischer, Peter M.; Alonso, Gustavo; Arenas, Marcelo & Geerts, Floris,48-55,2015.

    @article{,
       author = {Tomas Karnagel and Dirk Habich and Wolfgang Lehner},
       title = {Local vs. Global Optimization: Operator Placement Strategies in Heterogeneous Environments},
       booktitle = {Proceedings of the Workshops of the EDBT/ICDT 2015 Joint Conference (EDBT/ICDT), Brussels, Belgium, March 27th, 2015.},
       series = {CEUR Workshop Proceedings},
       volume = {1330},
       year = {2015},
       pages = {48--55},
       url = {http://ceur-ws.org/Vol-1330/paper-10.pdf},
       publisher = {Fischer, Peter M.; Alonso, Gustavo; Arenas, Marcelo \& Geerts, Floris}
    }

  • Instant Recovery for Main Memory Databases.

    Oukid, I.; Lehner, W.; Kissinger, T.; Willhalm, T.; Bumbulis, P.

    In CIDR 2015, Seventh Biennial Conference on Innovative Data Systems Research, Asilomar, CA, USA, January 4-7, 2015. Online Proceedings.2015.

    @article{,
       author = {Ismail Oukid and Wolfgang Lehner and Thomas Kissinger and Thomas Willhalm and Peter Bumbulis},
       title = {Instant Recovery for Main Memory Databases},
       booktitle = {CIDR 2015, Seventh Biennial Conference on Innovative Data Systems Research, Asilomar, CA, USA, January 4-7, 2015. Online Proceedings},
       year = {2015},
       url = {http://www.cidrdb.org/cidr2015/Papers/CIDR15_Paper13.pdf}
    }

  • Highspeed Graph Processing Exploiting Main-Memory Column Stores.

    Lehner, W.; Paradies, M.

    In Euro-Par 2015: Parallel Processing Workshops - Euro-Par 2015 International Workshops, Vienna, Austria, August 24-25, 2015, Revised Selected Papers.Hunold, Sascha; Costan, Alexandru; Giménez, Domingo; Iosup, Alexandru; Ricci, Laura; Requena, María Engracia Gómez; Scarano, Vittorio; Varbanescu, Ana Lucia; Scott, Stephen L.; Lankes, Stefan; Weidendorfer, Josef & Alexander, Michael,503-514,2015.

    @article{,
       author = {Wolfgang Lehner and Marcus Paradies},
       title = {Highspeed Graph Processing Exploiting Main-Memory Column Stores},
       booktitle = {Euro-Par 2015: Parallel Processing Workshops - Euro-Par 2015 International Workshops, Vienna, Austria, August 24-25, 2015, Revised Selected Papers},
       series = {Lecture Notes in Computer Science},
       volume = {9523},
       year = {2015},
       isbn = {978-3-319-27307-5},
       pages = {503--514},
       url = {http://dx.doi.org/10.1007/978-3-319-27308-2_41},
       publisher = {Hunold, Sascha; Costan, Alexandru; Gim\'{e}nez, Domingo; Iosup, Alexandru; Ricci, Laura; Requena, María Engracia Gómez; Scarano, Vittorio; Varbanescu, Ana Lucia; Scott, Stephen L.; Lankes, Stefan; Weidendorfer, Josef \& Alexander, Michael}
    }

  • GRAPHITE: an extensible graph traversal framework for relational database management systems.

    Lehner, W.; Paradies, M.

    In Proceedings of the 27th International Conference on Scientific and Statistical Database Management, SSDBM '15, La Jolla, CA, USA, June 29 - July 1, 2015.Gupta, Amarnath & Rathbun, Susan L.,2015.

    @article{,
       author = {Wolfgang Lehner and Marcus Paradies},
       title = {GRAPHITE: an extensible graph traversal framework for relational database management systems},
       booktitle = {Proceedings of the 27th International Conference on Scientific and Statistical Database Management, SSDBM '15, La Jolla, CA, USA, June 29 - July 1, 2015},
       year = {2015},
       isbn = {978-1-4503-3709-0},
       url = {http://doi.acm.org/10.1145/2791347.2791383},
       publisher = {Gupta, Amarnath \& Rathbun, Susan L.}
    }

  • From Web Tables to Concepts: A Semantic Normalization Approach.

    Braunschweig, K.; Thiele, M.; Lehner, W.

    In Conceptual Modeling - 34th International Conference, ER 2015, Stockholm, Sweden, October 19-22, 2015, Proceedings.Springer International Publishing,247-260,2015.Links: https://link.springer.com/chapter/10.1007/978-3-319-25264-3_18.

    @article{,
       author = {Katrin Braunschweig and Maik Thiele and Wolfgang Lehner},
       title = {From Web Tables to Concepts: A Semantic Normalization Approach},
       booktitle = {Conceptual Modeling - 34th International Conference, ER 2015, Stockholm, Sweden, October 19-22, 2015, Proceedings},
       series = {Lecture Notes in Computer Science},
       volume = {9381},
       year = {2015},
       isbn = {978-3-319-25263-6},
       pages = {247--260},
       url = {http://dx.doi.org/10.1007/978-3-319-25264-3_18},
       publisher = {Springer International Publishing},
       keywords = {Web tables, Conceptualization, Normalization, Semantics}
    }

  • From Static to Agile – Interactive Particle Physics Analysis in the SAP HANA DB.

    Lehner, W.; Kernert, D.

    In DATA 2015 - Proceedings of 4th International Conference on Data Management Technologies and Applications, Colmar, Alsace, France, 20-22 July, 2015.Helfert, Markus; Holzinger, Andreas; Belo, Orlando & Francalanci, Chiara,16-25,2015.

    @article{,
       author = {Wolfgang Lehner and David Kernert},
       title = {From Static to Agile \&\#8211; Interactive Particle Physics Analysis in the SAP HANA DB},
       booktitle = {DATA 2015 - Proceedings of 4th International Conference on Data Management Technologies and Applications, Colmar, Alsace, France, 20-22 July, 2015.},
       year = {2015},
       isbn = {978-989-758-103-8},
       pages = {16--25},
       url = {http://dx.doi.org/10.5220/0005503700160025},
       publisher = {Helfert, Markus; Holzinger, Andreas; Belo, Orlando \& Francalanci, Chiara}
    }

  • Enjoy FRDM – play with a schema-flexible RDBMS.

    Voigt, H.; Damme, P.; Lehner, W.

    In 31st IEEE International Conference on Data Engineering, ICDE 2015, Seoul, South Korea, April 13-17, 2015.Gehrke, Johannes; Lehner, Wolfgang; Shim, Kyuseok; Cha, Sang Kyun & Lohman, Guy M.,1460-1463,2015.

    @article{,
       author = {Hannes Voigt and Patrick Damme and Wolfgang Lehner},
       title = {Enjoy FRDM \&\#8211; play with a schema-flexible RDBMS},
       booktitle = {31st IEEE International Conference on Data Engineering, ICDE 2015, Seoul, South Korea, April 13-17, 2015},
       year = {2015},
       isbn = {978-1-4799-7964-6},
       pages = {1460--1463},
       url = {http://dx.doi.org/10.1109/ICDE.2015.7113401},
       publisher = {Gehrke, Johannes; Lehner, Wolfgang; Shim, Kyuseok; Cha, Sang Kyun \& Lohman, Guy M.}
    }

  • DrillBeyond: processing multi-result open world SQL queries.

    Eberius, J.; Thiele, M.; Braunschweig, K.; Lehner, W.

    In Proceedings of the 27th International Conference on Scientific and Statistical Database Management, SSDBM '15, La Jolla, CA, USA, June 29 - July 1, 2015.SSDBM'15, La Jolla, California.ACM,1-12,2015.

    @article{,
       author = {Julian Eberius and Maik Thiele and Katrin Braunschweig and Wolfgang Lehner},
       title = {DrillBeyond: processing multi-result open world SQL queries},
       booktitle = {Proceedings of the 27th International Conference on Scientific and Statistical Database Management, SSDBM '15, La Jolla, CA, USA, June 29 - July 1, 2015},
       year = {2015},
       isbn = {978-1-4503-3709-0},
       location = {La Jolla, California},
       pages = {1--12},
       numpages = {12},
       url = {http://doi.acm.org/10.1145/2791347.2791370},
       acmid = {2791370},
       publisher = {ACM},
       address = {New York, NY, USA}
    }

  • Direct Transformation Techniques for Compressed Data: General Approach and Application Scenarios.

    Damme, P.; Habich, D.; Lehner, W.

    In Advances in Databases and Information Systems - 19th East European Conference, ADBIS 2015, Poitiers, France, September 8-11, 2015, Proceedings.Morzy, Tadeusz; Valduriez, Patrick & Bellatreche, Ladjel,151-165,2015.

    @article{,
       author = {Patrick Damme and Dirk Habich and Wolfgang Lehner},
       title = {Direct Transformation Techniques for Compressed Data: General Approach and Application Scenarios},
       booktitle = {Advances in Databases and Information Systems - 19th East European Conference, ADBIS 2015, Poitiers, France, September 8-11, 2015, Proceedings},
       series = {Lecture Notes in Computer Science},
       volume = {9282},
       year = {2015},
       isbn = {978-3-319-23134-1},
       pages = {151--165},
       url = {http://dx.doi.org/10.1007/978-3-319-23135-8_11},
       publisher = {Morzy, Tadeusz; Valduriez, Patrick \& Bellatreche, Ladjel}
    }

  • Database Evolution for Software Product Lines.

    Lehner, W.; Voigt, H.; Herrmann, K.

    In DATA 2015 - Proceedings of 4th International Conference on Data Management Technologies and Applications, Colmar, Alsace, France, 20-22 July, 2015.Helfert, Markus; Holzinger, Andreas; Belo, Orlando & Francalanci, Chiara,125-133,2015.

    @article{,
       author = {Wolfgang Lehner and Hannes Voigt and Kai Herrmann},
       title = {Database Evolution for Software Product Lines},
       booktitle = {DATA 2015 - Proceedings of 4th International Conference on Data Management Technologies and Applications, Colmar, Alsace, France, 20-22 July, 2015.},
       year = {2015},
       isbn = {978-989-758-103-8},
       pages = {125--133},
       url = {http://dx.doi.org/10.5220/0005484101250133},
       publisher = {Helfert, Markus; Holzinger, Andreas; Belo, Orlando \& Francalanci, Chiara}
    }

  • Column-specific context extraction for web tables.

    Braunschweig, K.; Thiele, M.; Eberius, J.; Lehner, W.

    In Proceedings of the 30th Annual ACM Symposium on Applied Computing, Salamanca, Spain, April 13-17, 2015.Wainwright, Roger L.; Corchado, Juan Manuel; Bechini, Alessio & Hong, Jiman,1072-1077,2015.Links: https://dl.acm.org/citation.cfm?id=2695664.2695794.

    @article{,
       author = {Katrin Braunschweig and Maik Thiele and Julian Eberius and Wolfgang Lehner},
       title = {Column-specific context extraction for web tables},
       booktitle = {Proceedings of the 30th Annual ACM Symposium on Applied Computing, Salamanca, Spain, April 13-17, 2015},
       year = {2015},
       isbn = {978-1-4503-3196-8},
       pages = {1072--1077},
       url = {http://doi.acm.org/10.1145/2695664.2695794},
       publisher = {Wainwright, Roger L.; Corchado, Juan Manuel; Bechini, Alessio \& Hong, Jiman}
    }

  • CoDEL – A Relationally Complete Language for Database Evolution.

    Lehner, W.; Voigt, H.; Herrmann, K.

    In Advances in Databases and Information Systems - 19th East European Conference, ADBIS 2015, Poitiers, France, September 8-11, 2015, Proceedings.Morzy, Tadeusz; Valduriez, Patrick & Bellatreche, Ladjel,63-76,2015.

    @article{,
       author = {Wolfgang Lehner and Hannes Voigt and Kai Herrmann},
       title = {CoDEL \&\#8211; A Relationally Complete Language for Database Evolution},
       booktitle = {Advances in Databases and Information Systems - 19th East European Conference, ADBIS 2015, Poitiers, France, September 8-11, 2015, Proceedings},
       series = {Lecture Notes in Computer Science},
       volume = {9282},
       year = {2015},
       isbn = {978-3-319-23134-1},
       pages = {63--76},
       url = {http://dx.doi.org/10.1007/978-3-319-23135-8_5},
       publisher = {Morzy, Tadeusz; Valduriez, Patrick \& Bellatreche, Ladjel}
    }

  • Cache-Efficient Aggregation: Hashing Is Sorting.

    Lehner, W.

    In Proceedings of the 2015 ACM SIGMOD International Conference on Management of Data, Melbourne, Victoria, Australia, May 31 - June 4, 2015.Sellis, Timos K.; Davidson, Susan B. & Ives, Zachary G.,1123-1136,2015.

    @article{,
       author = {Wolfgang Lehner},
       title = {Cache-Efficient Aggregation: Hashing Is Sorting},
       booktitle = {Proceedings of the 2015 ACM SIGMOD International Conference on Management of Data, Melbourne, Victoria, Australia, May 31 - June 4, 2015},
       year = {2015},
       isbn = {978-1-4503-2758-9},
       pages = {1123--1136},
       url = {http://doi.acm.org/10.1145/2723372.2747644},
       publisher = {Sellis, Timos K.; Davidson, Susan B. \& Ives, Zachary G.}
    }

  • Big Data-Zentren – Vorstellung und Panel.

    Markl, V.; Rahm, E.; Lehner, W.; Beigl, M.; Seidl, T.

    In Datenbanksysteme für Business, Technologie und Web (BTW), 16. Fachtagung des GI-Fachbereichs Datenbanken und Informationssysteme" (DBIS).477-479,2015.

    @article{,
       author = {Volker Markl and Erhard Rahm and Wolfgang Lehner and Michael Beigl and Thomas Seidl},
       title = {Big Data-Zentren \&\#8211; Vorstellung und Panel},
       booktitle = {Datenbanksysteme f\"{u}r Business, Technologie und Web (BTW), 16. Fachtagung des GI-Fachbereichs Datenbanken und Informationssysteme"' (DBIS)},
       volume = {241},
       year = {2015},
       isbn = {978-3-88579-635-0},
       pages = {477--479},
       url = {http://subs.emis.de/LNI/Proceedings/Proceedings241/article14.html}
    }

  • Aktuellen Zuständen von Märkten auf der Spur: Analyseinstrumente zur Erfassung dynamischer Marktdaten.

    Hartmann, C.; Rosenthal, F.; Hahmann, M.; Kirsche, T.; Lehner, W.

    In 50. Kongress der Deutschen Marktforschung (BVM-Kongress 2015, Berlin, Germany).2015.

    @article{,
       author = {Claudio Hartmann and Frank Rosenthal and Martin Hahmann and Thomas Kirsche and Wolfgang Lehner},
       title = {Aktuellen Zust\"{a}nden von M\"{a}rkten auf der Spur: Analyseinstrumente zur Erfassung dynamischer Marktdaten},
       booktitle = {50. Kongress der Deutschen Marktforschung (BVM-Kongress 2015, Berlin, Germany)},
       year = {2015}
    }

Year 2014 (31 Publications)

  • Online bit flip detection for in-memory B-trees on unreliable hardware.

    Kolditz, T.; Kissinger, T.; Schlegel, B.; Habich, D.; Lehner, W.

    In Proceedings of the Tenth International Workshop on Data Management on New Hardware.ACM,5:1-5:9,2014.

    @article{,
       author = {Till Kolditz and Thomas Kissinger and Benjamin Schlegel and Dirk Habich and Wolfgang Lehner},
       title = {Online bit flip detection for in-memory B-trees on unreliable hardware},
       booktitle = {Proceedings of the Tenth International Workshop on Data Management on New Hardware},
       series = {DaMoN '14},
       year = {2014},
       month = {6},
       isbn = {978-1-4503-2971-2},
       location = {Snowbird, Utah},
       pages = {5},
       numpages = {9},
       url = {http://doi.acm.org/10.1145/2619228.2619233},
       acmid = {2619233},
       publisher = {ACM},
       address = {New York, NY, USA}
    }

  • Online horizontal partitioning of heterogeneous data.

    Lehner, W.; Voigt, H.; Herrmann, K.

    In it - Information Technology.2014.

    @article{,
       author = {Wolfgang Lehner and Hannes Voigt and Kai Herrmann},
       title = {Online horizontal partitioning of heterogeneous data},
       journal = {it - Information Technology},
       volume = {56},
       year = {2014},
       url = {http://dx.doi.org/10.1515/itit-2014-1015}
    }

  • On-demand re-optimization of integration flows.

    Lehner, W.; Habich, D.; Böhm, M.

    In Inf. Syst.2014.

    @article{,
       author = {Wolfgang Lehner and Dirk Habich and Matthias B\"{o}hm},
       title = {On-demand re-optimization of integration flows},
       journal = {Inf. Syst.},
       volume = {45},
       year = {2014},
       url = {http://dx.doi.org/10.1016/j.is.2014.03.005}
    }

  • Heterogeneity-Aware Operator Placement in Column-Store DBMS.

    Karnagel, T.; Habich, D.; Schlegel, B.; Lehner, W.

    In Datenbank-Spektrum.211-221,2014.

    @article{,
       author = {Tomas Karnagel and Dirk Habich and Benjamin Schlegel and Wolfgang Lehner},
       title = {Heterogeneity-Aware Operator Placement in Column-Store DBMS},
       journal = {Datenbank-Spektrum},
       volume = {14},
       year = {2014},
       pages = {211--221},
       url = {http://dx.doi.org/10.1007/s13222-014-0167-9}
    }

  • GRAPHITE: An Extensible Graph Traversal Framework for Relational Database Management Systems.

    Lehner, W.; Paradies, M.

    In CoRR.2014.

    @article{,
       author = {Wolfgang Lehner and Marcus Paradies},
       title = {GRAPHITE: An Extensible Graph Traversal Framework for Relational Database Management Systems},
       journal = {CoRR},
       year = {2014},
       url = {http://arxiv.org/abs/1412.6477}
    }

  • Towards Optimal Execution of Density-based Clustering on Heterogeneous Hardware.

    Lehner, W.; Habich, D.

    In Proceedings of the 3rd International Workshop on Big Data, Streams and Heterogeneous Source Mining: Algorithms, Systems, Programming Models and Applications, BigMine 2014, New York City, USA, August 24, 2014.Fan, Wei; Bifet, Albert; Yang, Qiang & Yu, Philip S.,104-119,2014.

    @article{,
       author = {Wolfgang Lehner and Dirk Habich},
       title = {Towards Optimal Execution of Density-based Clustering on Heterogeneous Hardware},
       booktitle = {Proceedings of the 3rd International Workshop on Big Data, Streams and Heterogeneous Source Mining: Algorithms, Systems, Programming Models and Applications, BigMine 2014, New York City, USA, August 24, 2014},
       series = {JMLR Workshop and Conference Proceedings},
       volume = {36},
       year = {2014},
       pages = {104--119},
       url = {http://jmlr.org/proceedings/papers/v36/habich14.html},
       publisher = {Fan, Wei; Bifet, Albert; Yang, Qiang \& Yu, Philip S.}
    }

  • Top-k Differential Queries in Graph Databases.

    Vasilyeva, E.; Thiele, M.; Bornhövd, C.; Lehner, W.

    In Advances in Databases and Information Systems - 18th East European Conference, ADBIS 2014, Ohrid, Macedonia, September 7-10, 2014. Proceedings.Manolopoulos, Yannis; Trajcevski, Goce & Kon-Popovska, Margita,112-125,2014.

    @article{,
       author = {Elena Vasilyeva and Maik Thiele and Christof Bornh\"{o}vd and Wolfgang Lehner},
       title = {Top-k Differential Queries in Graph Databases},
       booktitle = {Advances in Databases and Information Systems - 18th East European Conference, ADBIS 2014, Ohrid, Macedonia, September 7-10, 2014. Proceedings},
       series = {Lecture Notes in Computer Science},
       volume = {8716},
       year = {2014},
       isbn = {978-3-319-10932-9},
       pages = {112--125},
       url = {http://dx.doi.org/10.1007/978-3-319-10933-6_9},
       publisher = {Manolopoulos, Yannis; Trajcevski, Goce \& Kon-Popovska, Margita}
    }

  • Systematical Evaluation of Solar Energy Supply Forecasts.

    Ulbricht, R.; Hahmann, M.; Donker, H.; Lehner, W.

    In Data Analytics for Renewable Energy Integration - Second ECML PKDD Workshop, DARE 2014, Nancy, France, September 19, 2014, Revised Selected Papers.Woon, Wei Lee; Aung, Zeyar & Madnick, Stuart E.,108-121,2014.

    @article{,
       author = {Robert Ulbricht and Martin Hahmann and Hilko Donker and Wolfgang Lehner},
       title = {Systematical Evaluation of Solar Energy Supply Forecasts},
       booktitle = {Data Analytics for Renewable Energy Integration - Second ECML PKDD Workshop, DARE 2014, Nancy, France, September 19, 2014, Revised Selected Papers},
       series = {Lecture Notes in Computer Science},
       volume = {8817},
       year = {2014},
       isbn = {978-3-319-13289-1},
       pages = {108--121},
       url = {http://dx.doi.org/10.1007/978-3-319-13290-7_9},
       publisher = {Woon, Wei Lee; Aung, Zeyar \& Madnick, Stuart E.}
    }

  • SynopSys: Foundations for Multidimensional Graph Analytics.

    Rudolf, M.; Voigt, H.; Bornhövd, C.; Lehner, W.

    In Enabling Real-Time Business Intelligence - International Workshops, BIRTE 2013, Riva del Garda, Italy, August 26, 2013, and BIRTE 2014, Hangzhou, China, September 1, 2014, Revised Selected Papers.Castellanos, Malú; Dayal, Umeshwar; Pedersen, Torben Bach & Tatbul, Nesime,159-166,2014.

    @article{,
       author = {Michael Rudolf and Hannes Voigt and Christof Bornh\"{o}vd and Wolfgang Lehner},
       title = {SynopSys: Foundations for Multidimensional Graph Analytics},
       booktitle = {Enabling Real-Time Business Intelligence - International Workshops, BIRTE 2013, Riva del Garda, Italy, August 26, 2013, and BIRTE 2014, Hangzhou, China, September 1, 2014, Revised Selected Papers},
       series = {Lecture Notes in Business Information Processing},
       volume = {206},
       year = {2014},
       isbn = {978-3-662-46838-8},
       pages = {159--166},
       url = {http://dx.doi.org/10.1007/978-3-662-46839-5_11},
       publisher = {Castellanos, Malú; Dayal, Umeshwar; Pedersen, Torben Bach \& Tatbul, Nesime}
    }

  • SOFORT: a hybrid SCM-DRAM storage engine for fast data recovery.

    Oukid, I.; Booss, D.; Lehner, W.; Bumbulis, P.; Willhalm, T.

    In Tenth International Workshop on Data Management on New Hardware, DaMoN 2014, Snowbird, UT, USA, June 23, 2014.ACM,2014.

    @article{,
       author = {Ismail Oukid and Daniel Booss and Wolfgang Lehner and Peter Bumbulis and Thomas Willhalm},
       title = {SOFORT: a hybrid SCM-DRAM storage engine for fast data recovery},
       booktitle = {Tenth International Workshop on Data Management on New Hardware, DaMoN 2014, Snowbird, UT, USA, June 23, 2014},
       year = {2014},
       isbn = {978-1-4503-2971-2},
       url = {http://doi.acm.org/10.1145/2619228.2619236},
       publisher = {ACM}
    }

  • SLACID – sparse linear algebra in a column-oriented in-memory database system.

    Lehner, W.; Kernert, D.

    In Conference on Scientific and Statistical Database Management, SSDBM '14, Aalborg, Denmark, June 30 - July 02, 2014.Jensen, Christian S.; Lu, Hua; Pedersen, Torben Bach; Thomsen, Christian & Torp, Kristian,2014.

    @article{,
       author = {Wolfgang Lehner and David Kernert},
       title = {SLACID \&\#8211; sparse linear algebra in a column-oriented in-memory database system},
       booktitle = {Conference on Scientific and Statistical Database Management, SSDBM '14, Aalborg, Denmark, June 30 - July 02, 2014},
       year = {2014},
       isbn = {978-1-4503-2722-0},
       url = {http://doi.acm.org/10.1145/2618243.2618254},
       publisher = {Jensen, Christian S.; Lu, Hua; Pedersen, Torben Bach; Thomsen, Christian \& Torp, Kristian}
    }

  • RSQL – a query language for dynamic data types.

    Lehner, W.; Voigt, H.; Jäkel, T.

    In 18th International Database Engineering & Applications Symposium, IDEAS 2014, Porto, Portugal, July 7-9, 2014.Desai, Bipin C.; de Almeida, Ana Maria; Bernardino, Jorge & Gomes, Elsa Ferreira,185-194,2014.

    @article{,
       author = {Wolfgang Lehner and Hannes Voigt and Tobias J\"{a}kel},
       title = {RSQL \&\#8211; a query language for dynamic data types},
       booktitle = {18th International Database Engineering \& Applications Symposium, IDEAS 2014, Porto, Portugal, July 7-9, 2014},
       year = {2014},
       isbn = {978-1-4503-2627-8},
       pages = {185--194},
       url = {http://doi.acm.org/10.1145/2628194.2628246},
       publisher = {Desai, Bipin C.; de Almeida, Ana Maria; Bernardino, Jorge \& Gomes, Elsa Ferreira}
    }

  • Quality Measures for ETL Processes.

    Lehner, W.; Theodorou, V.

    In Data Warehousing and Knowledge Discovery - 16th International Conference, DaWaK 2014, Munich, Germany, September 2-4, 2014. Proceedings.Bellatreche, Ladjel & Mohania, Mukesh K.,2014.

    @article{,
       author = {Wolfgang Lehner and Vasileios Theodorou},
       title = {Quality Measures for ETL Processes},
       booktitle = {Data Warehousing and Knowledge Discovery - 16th International Conference, DaWaK 2014, Munich, Germany, September 2-4, 2014. Proceedings},
       series = {Lecture Notes in Computer Science},
       volume = {8646},
       year = {2014},
       isbn = {978-3-319-10159-0},
       url = {http://dx.doi.org/10.1007/978-3-319-10160-6_2},
       publisher = {Bellatreche, Ladjel \& Mohania, Mukesh K.}
    }

  • Modular Data Clustering – Algorithm Design beyond MapReduce.

    Lehner, W.; Habich, D.; Hahmann, M.

    In Proceedings of the Workshops of the EDBT/ICDT 2014 Joint Conference (EDBT/ICDT 2014), Athens, Greece, March 28, 2014.Candan, K. Selçcuk; Amer-Yahia, Sihem; Schweikardt, Nicole; Christophides, Vassilis & Leroy, Vincent,50-59,2014.

    @article{,
       author = {Wolfgang Lehner and Dirk Habich and Martin Hahmann},
       title = {Modular Data Clustering \&\#8211; Algorithm Design beyond MapReduce},
       booktitle = {Proceedings of the Workshops of the EDBT/ICDT 2014 Joint Conference (EDBT/ICDT 2014), Athens, Greece, March 28, 2014.},
       series = {CEUR Workshop Proceedings},
       volume = {1133},
       year = {2014},
       pages = {50--59},
       url = {http://ceur-ws.org/Vol-1133/paper-08.pdf},
       publisher = {Candan, K. Selçcuk; Amer-Yahia, Sihem; Schweikardt, Nicole; Christophides, Vassilis \& Leroy, Vincent}
    }

  • Improving in-memory database index performance with Intel Transactional Synchronization Extensions.

    Karnagel, T.; Dementiev, R.; Rajwar, R.; Lai, K.; Legler, T.; Schlegel, B.; Lehner, W.

    In 20th IEEE International Symposium on High Performance Computer Architecture, HPCA 2014, Orlando, FL, USA, February 15-19, 2014.476-487,2014.

    @article{,
       author = {Tomas Karnagel and Roman Dementiev and Ravi Rajwar and Konrad Lai and Thomas Legler and Benjamin Schlegel and Wolfgang Lehner},
       title = {Improving in-memory database index performance with Intel Transactional Synchronization Extensions},
       booktitle = {20th IEEE International Symposium on High Performance Computer Architecture, HPCA 2014, Orlando, FL, USA, February 15-19, 2014},
       year = {2014},
       isbn = {978-1-4799-3097-5},
       pages = {476--487},
       url = {http://dx.doi.org/10.1109/HPCA.2014.6835957}
    }

  • HASHI: An Application Specific Instruction Set Extension for Hashing.

    Arnold, O.; Haas, S.; Fettweis, G.; Schlegel, B.; Kissinger, T.; Karnagel, T.; Lehner, W.

    In International Workshop on Accelerating Data Management Systems Using Modern Processor and Storage Architectures - ADMS 2014, Hangzhou, China, September 1, 2014.Bordawekar, Rajesh; Lahiri, Tirthankar; Gedik, Bugra & Lang, Christian A.,25-33,2014.

    @article{,
       author = {Oliver Arnold and Sebastian Haas and Gerhard Fettweis and Benjamin Schlegel and Thomas Kissinger and Tomas Karnagel and Wolfgang Lehner},
       title = {HASHI: An Application Specific Instruction Set Extension for Hashing},
       booktitle = {International Workshop on Accelerating Data Management Systems Using Modern Processor and Storage Architectures - ADMS 2014, Hangzhou, China, September 1, 2014.},
       year = {2014},
       pages = {25--33},
       url = {http://www.adms-conf.org/2014/adms14_arnold.pdf},
       publisher = {Bordawekar, Rajesh; Lahiri, Tirthankar; Gedik, Bugra \& Lang, Christian A.}
    }

  • GRATIN: Accelerating Graph Traversals in Main-Memory Column Stores.

    Paradies, M.; Rudolf, M.; Bornhövd, C.; Lehner, W.

    In Second International Workshop on Graph Data Management Experiences and Systems, GRADES 2014, co-loated with SIGMOD/PODS 2014, Snowbird, Utah, USA, June 22, 2014.Boncz, Peter A. & Larriba-Pey, Josep-Lluis,9:1-9:6,2014.

    @article{,
       author = {Marcus Paradies and Michael Rudolf and Christof Bornh\"{o}vd and Wolfgang Lehner},
       title = {GRATIN: Accelerating Graph Traversals in Main-Memory Column Stores},
       booktitle = {Second International Workshop on Graph Data Management Experiences and Systems, GRADES 2014, co-loated with SIGMOD/PODS 2014, Snowbird, Utah, USA, June 22, 2014},
       year = {2014},
       isbn = {978-1-4503-2982-8},
       pages = {9},
       url = {http://doi.acm.org/10.1145/2621934.2621941},
       publisher = {Boncz, Peter A. \& Larriba-Pey, Josep-Lluis}
    }

  • GraphMCS: Discover the Unknown in Large Data Graphs.

    Vasilyeva, E.; Thiele, M.; Bornhövd, C.; Lehner, W.

    In Proceedings of the Workshops of the EDBT/ICDT 2014 Joint Conference (EDBT/ICDT 2014), Athens, Greece, March 28, 2014.Candan, K. Selçcuk; Amer-Yahia, Sihem; Schweikardt, Nicole; Christophides, Vassilis & Leroy, Vincent,200-207,2014.

    @article{,
       author = {Elena Vasilyeva and Maik Thiele and Christof Bornh\"{o}vd and Wolfgang Lehner},
       title = {GraphMCS: Discover the Unknown in Large Data Graphs},
       booktitle = {Proceedings of the Workshops of the EDBT/ICDT 2014 Joint Conference (EDBT/ICDT 2014), Athens, Greece, March 28, 2014.},
       series = {CEUR Workshop Proceedings},
       volume = {1133},
       year = {2014},
       pages = {200--207},
       url = {http://ceur-ws.org/Vol-1133/paper-34.pdf},
       publisher = {Candan, K. Selçcuk; Amer-Yahia, Sihem; Schweikardt, Nicole; Christophides, Vassilis \& Leroy, Vincent}
    }

  • Flexs – A Logical Model for Physical Data Layout.

    Lehner, W.; Voigt, H.

    In New Trends in Database and Information Systems II - Selected papers of the 18th East European Conference on Advances in Databases and Information Systems and Associated Satellite Events, ADBIS 2014 Ohrid, Macedonia, September 7-10, 2014 Proceedings II.Bassiliades, Nick; Ivanovic, Mirjana; Kon-Popovska, Margita; Manolopoulos, Yannis; Palpanas, Themis; Trajcevski, Goce & Vakali, Athena,85-95,2014.

    @article{,
       author = {Wolfgang Lehner and Hannes Voigt},
       title = {Flexs \&\#8211; A Logical Model for Physical Data Layout},
       booktitle = {New Trends in Database and Information Systems II - Selected papers of the 18th East European Conference on Advances in Databases and Information Systems and Associated Satellite Events, ADBIS 2014 Ohrid, Macedonia, September 7-10, 2014 Proceedings II},
       series = {Advances in Intelligent Systems and Computing},
       volume = {312},
       year = {2014},
       isbn = {978-3-319-10517-8},
       pages = {85--95},
       url = {http://dx.doi.org/10.1007/978-3-319-10518-5_7},
       publisher = {Bassiliades, Nick; Ivanovic, Mirjana; Kon-Popovska, Margita; Manolopoulos, Yannis; Palpanas, Themis; Trajcevski, Goce \& Vakali, Athena}
    }

  • Flexible Relational Data Model – A Common Ground for Schema-Flexible Database Systems.

    Lehner, W.; Voigt, H.

    In Advances in Databases and Information Systems - 18th East European Conference, ADBIS 2014, Ohrid, Macedonia, September 7-10, 2014. Proceedings.Manolopoulos, Yannis; Trajcevski, Goce & Kon-Popovska, Margita,25-38,2014.

    @article{,
       author = {Wolfgang Lehner and Hannes Voigt},
       title = {Flexible Relational Data Model \&\#8211; A Common Ground for Schema-Flexible Database Systems},
       booktitle = {Advances in Databases and Information Systems - 18th East European Conference, ADBIS 2014, Ohrid, Macedonia, September 7-10, 2014. Proceedings},
       series = {Lecture Notes in Computer Science},
       volume = {8716},
       year = {2014},
       isbn = {978-3-319-10932-9},
       pages = {25--38},
       url = {http://dx.doi.org/10.1007/978-3-319-10933-6_3},
       publisher = {Manolopoulos, Yannis; Trajcevski, Goce \& Kon-Popovska, Margita}
    }

  • ERIS: A NUMA-Aware In-Memory Storage Engine for Analytical Workload.

    Lehner, W.; Habich, D.; Schlegel, B.; Kissinger, T.; Kiefer, T.

    In International Workshop on Accelerating Data Management Systems Using Modern Processor and Storage Architectures - ADMS 2014, Hangzhou, China, September 1, 2014.Bordawekar, Rajesh; Lahiri, Tirthankar; Gedik, Bugra & Lang, Christian A.,74-85,2014.

    @article{,
       author = {Wolfgang Lehner and Dirk Habich and Benjamin Schlegel and Thomas Kissinger and Tim Kiefer},
       title = {ERIS: A NUMA-Aware In-Memory Storage Engine for Analytical Workload},
       booktitle = {International Workshop on Accelerating Data Management Systems Using Modern Processor and Storage Architectures - ADMS 2014, Hangzhou, China, September 1, 2014.},
       year = {2014},
       pages = {74--85},
       url = {http://www.adms-conf.org/2014/adms14_kissinger.pdf},
       publisher = {Bordawekar, Rajesh; Lahiri, Tirthankar; Gedik, Bugra \& Lang, Christian A.}
    }

  • ERIS live: a NUMA-aware in-memory storage engine for tera-scale multiprocessor systems.

    Lehner, W.; Habich, D.; Schlegel, B.; Kissinger, T.; Kiefer, T.

    In International Conference on Management of Data, SIGMOD 2014, Snowbird, UT, USA, June 22-27, 2014.Dyreson, Curtis E.; Li, Feifei & özsu, M. Tamer,689-692,2014.

    @article{,
       author = {Wolfgang Lehner and Dirk Habich and Benjamin Schlegel and Thomas Kissinger and Tim Kiefer},
       title = {ERIS live: a NUMA-aware in-memory storage engine for tera-scale multiprocessor systems},
       booktitle = {International Conference on Management of Data, SIGMOD 2014, Snowbird, UT, USA, June 22-27, 2014},
       year = {2014},
       isbn = {978-1-4503-2376-5},
       pages = {689--692},
       url = {http://doi.acm.org/10.1145/2588555.2594524},
       publisher = {Dyreson, Curtis E.; Li, Feifei \& \"{o}zsu, M. Tamer}
    }

  • Energy-Efficient Databases Using Sweet Spot Frequencies

    Energy-Efficient Databases Using Sweet Spot Frequencies.

    Lehner, W.; Kissinger, T.

    In Proceedings of the 7th IEEE/ACM International Conference on Utility and Cloud Computing, UCC 2014, London, United Kingdom, December 8-11, 2014.871-876,2014.

    @article{,
       author = {Wolfgang Lehner and Thomas Kissinger},
       title = {Energy-Efficient Databases Using Sweet Spot Frequencies},
       booktitle = {Proceedings of the 7th IEEE/ACM International Conference on Utility and Cloud Computing, UCC 2014, London, United Kingdom, December 8-11, 2014},
       year = {2014},
       isbn = {978-1-4799-7881-6},
       pages = {871--876},
       url = {http://dx.doi.org/10.1109/UCC.2014.142}
    }

  • ECAST: A Benchmark Framework for Renewable Energy Forecasting Systems.

    Ulbricht, R.; Fischer, U.; Kegel, L.; Habich, D.; Donker, H.; Lehner, W.

    In Proceedings of the Workshops of the EDBT/ICDT 2014 Joint Conference (EDBT/ICDT 2014), Athens, Greece, March 28, 2014.Candan, K. Selçcuk; Amer-Yahia, Sihem; Schweikardt, Nicole; Christophides, Vassilis & Leroy, Vincent,148-155,2014.

    @article{,
       author = {Robert Ulbricht and Ulrike Fischer and Lars Kegel and Dirk Habich and Hilko Donker and Wolfgang Lehner},
       title = {ECAST: A Benchmark Framework for Renewable Energy Forecasting Systems},
       booktitle = {Proceedings of the Workshops of the EDBT/ICDT 2014 Joint Conference (EDBT/ICDT 2014), Athens, Greece, March 28, 2014.},
       series = {CEUR Workshop Proceedings},
       volume = {1133},
       year = {2014},
       pages = {148--155},
       url = {http://ceur-ws.org/Vol-1133/paper-23.pdf},
       publisher = {Candan, K. Selçcuk; Amer-Yahia, Sihem; Schweikardt, Nicole; Christophides, Vassilis \& Leroy, Vincent}
    }

  • Dynamic fine-grained scheduling for energy-efficient main-memory queries.

    Lehner, W.; Kissinger, T.

    In Tenth International Workshop on Data Management on New Hardware, DaMoN 2014, Snowbird, UT, USA, June 23, 2014.Kemper, Alfons & Pandis, Ippokratis,1:1-1:7,2014.

    @article{,
       author = {Wolfgang Lehner and Thomas Kissinger},
       title = {Dynamic fine-grained scheduling for energy-efficient main-memory queries},
       booktitle = {Tenth International Workshop on Data Management on New Hardware, DaMoN 2014, Snowbird, UT, USA, June 23, 2014},
       year = {2014},
       isbn = {978-1-4503-2971-2},
       pages = {1},
       url = {http://doi.acm.org/10.1145/2619228.2619229},
       publisher = {Kemper, Alfons \& Pandis, Ippokratis}
    }

  • Demonstrating efficient query processing in heterogeneous environments.

    Karnagel, T.; Hille, M.; Ludwig, M.; Habich, D.; Lehner, W.; Heimel, M.; Markl, V.

    In International Conference on Management of Data, SIGMOD 2014, Snowbird, UT, USA, June 22-27, 2014.Dyreson, Curtis E.; Li, Feifei & özsu, M. Tamer,693-696,2014.

    @article{,
       author = {Tomas Karnagel and Matthias Hille and Mario Ludwig and Dirk Habich and Wolfgang Lehner and Max Heimel and Volker Markl},
       title = {Demonstrating efficient query processing in heterogeneous environments},
       booktitle = {International Conference on Management of Data, SIGMOD 2014, Snowbird, UT, USA, June 22-27, 2014},
       year = {2014},
       isbn = {978-1-4503-2376-5},
       pages = {693--696},
       url = {http://doi.acm.org/10.1145/2588555.2594526},
       publisher = {Dyreson, Curtis E.; Li, Feifei \& \"{o}zsu, M. Tamer}
    }

  • Cinderella – Adaptive online partitioning of irregularly structured data.

    Lehner, W.; Voigt, H.; Herrmann, K.

    In Workshops Proceedings of the 30th International Conference on Data Engineering Workshops, ICDE 2014, Chicago, IL, USA, March 31 - April 4, 2014.284-291,2014.

    @article{,
       author = {Wolfgang Lehner and Hannes Voigt and Kai Herrmann},
       title = {Cinderella \&\#8211; Adaptive online partitioning of irregularly structured data},
       booktitle = {Workshops Proceedings of the 30th International Conference on Data Engineering Workshops, ICDE 2014, Chicago, IL, USA, March 31 - April 4, 2014},
       year = {2014},
       isbn = {978-1-4799-3481-2},
       pages = {284--291},
       url = {http://dx.doi.org/10.1109/ICDEW.2014.6818342}
    }

  • An application-specific instruction set for accelerating set-oriented database primitives.

    Lehner, W.; Schlegel, B.; Kissinger, T.

    In International Conference on Management of Data, SIGMOD 2014, Snowbird, UT, USA, June 22-27, 2014.Dyreson, Curtis E.; Li, Feifei & özsu, M. Tamer,767-778,2014.

    @article{,
       author = {Wolfgang Lehner and Benjamin Schlegel and Thomas Kissinger},
       title = {An application-specific instruction set for accelerating set-oriented database primitives},
       booktitle = {International Conference on Management of Data, SIGMOD 2014, Snowbird, UT, USA, June 22-27, 2014},
       year = {2014},
       isbn = {978-1-4503-2376-5},
       pages = {767--778},
       url = {http://doi.acm.org/10.1145/2588555.2593677},
       publisher = {Dyreson, Curtis E.; Li, Feifei \& \"{o}zsu, M. Tamer}
    }

  • A study of partitioning and parallel UDF execution with the SAP HANA database.

    Lehner, W.; Große, P.

    In Conference on Scientific and Statistical Database Management, SSDBM '14, Aalborg, Denmark, June 30 - July 02, 2014.Jensen, Christian S.; Lu, Hua; Pedersen, Torben Bach; Thomsen, Christian & Torp, Kristian,2014.

    @article{,
       author = {Wolfgang Lehner and Philipp Gro\sse},
       title = {A study of partitioning and parallel UDF execution with the SAP HANA database},
       booktitle = {Conference on Scientific and Statistical Database Management, SSDBM '14, Aalborg, Denmark, June 30 - July 02, 2014},
       year = {2014},
       isbn = {978-1-4503-2722-0},
       url = {http://doi.acm.org/10.1145/2618243.2618274},
       publisher = {Jensen, Christian S.; Lu, Hua; Pedersen, Torben Bach; Thomsen, Christian \& Torp, Kristian}
    }

  • A Query, a Minute: Evaluating Performance Isolation in Cloud Databases.

    Lehner, W.; Habich, D.; Kiefer, T.

    In Performance Characterization and Benchmarking. Traditional to Big Data - 6th TPC Technology Conference, TPCTC 2014, Hangzhou, China, September 1-5, 2014. Revised Selected Papers.Nambiar, Raghunath & Poess, Meikel,173-187,2014.

    @article{,
       author = {Wolfgang Lehner and Dirk Habich and Tim Kiefer},
       title = {A Query, a Minute: Evaluating Performance Isolation in Cloud Databases},
       booktitle = {Performance Characterization and Benchmarking. Traditional to Big Data - 6th TPC Technology Conference, TPCTC 2014, Hangzhou, China, September 1-5, 2014. Revised Selected Papers},
       series = {Lecture Notes in Computer Science},
       volume = {8904},
       year = {2014},
       isbn = {978-3-319-15349-0},
       pages = {173--187},
       url = {http://dx.doi.org/10.1007/978-3-319-15350-6_11},
       publisher = {Nambiar, Raghunath \& Poess, Meikel}
    }

  • A Framework for User-Centered Declarative ETL.

    Theodorou, V.; Abelló, A.; Thiele, M.; Lehner, W.

    In Proceedings of the 17th International Workshop on Data Warehousing and OLAP, DOLAP 2014, Shanghai, China, November 3-7, 2014.Song, Il-Yeol; Simitsis, Alkis & Cuzzocrea, Alfredo,67-70,2014.

    @article{,
       author = {Vasileios Theodorou and Alberto Abelló and Maik Thiele and Wolfgang Lehner},
       title = {A Framework for User-Centered Declarative ETL},
       booktitle = {Proceedings of the 17th International Workshop on Data Warehousing and OLAP, DOLAP 2014, Shanghai, China, November 3-7, 2014},
       year = {2014},
       isbn = {978-1-4503-0999-8},
       pages = {67--70},
       url = {http://doi.acm.org/10.1145/2666158.2666178},
       publisher = {Song, Il-Yeol; Simitsis, Alkis \& Cuzzocrea, Alfredo}
    }

Year 2013 (42 Publications)

  • Setting Goals and Choosing Metrics for Recommender System Evaluations.

    Fabritius, G.; Thiele, M.; Lehner, W.

    In In the Proceedings of the Workshop on User-Centric Evaluation of Recommender Systems and Their Interface (UCERSTI), 5th ACM Recommender Systems conference (RecSys 2010), October 2011, Chigago, USA.2013.

    @article{,
       author = {Gunnar Fabritius and Maik Thiele and Wolfgang Lehner},
       title = {Setting Goals and Choosing Metrics for Recommender System Evaluations},
       booktitle = {In the Proceedings of the Workshop on User-Centric Evaluation of Recommender Systems and Their Interface (UCERSTI), 5th ACM Recommender Systems conference (RecSys 2010), October 2011, Chigago, USA.},
       year = {2013},
       month = {1}
    }

  • Vectorizing Database Column Scans with Complex Predicates.

    Willhalm, T.; Oukid, I.; Müller, I.; Färber, F.

    In International Workshop on Accelerating Data Management Systems Using Modern Processor and Storage Architectures - ADMS 2013, Riva del Garda, Trento, Italy, August 26, 2013. Online Proceedings.2013.

    @{,
       author = {Thomas Willhalm and Ismail Oukid and Ingo M\"{u}ller and Franz F\"{a}rber},
       title = {Vectorizing Database Column Scans with Complex Predicates},
       booktitle = {International Workshop on Accelerating Data Management Systems Using Modern Processor and Storage Architectures - ADMS 2013, Riva del Garda, Trento, Italy, August 26, 2013. Online Proceedings},
       year = {2013},
       month = {1}
    }

  • Towards Integrated Data Analytics: Time Series Forecasting in DBMS.

    Lehner, W.; Rosenthal, F.; Böhm, M.; Fischer, U.; Dannecker, L.

    In Datenbank-Spektrum.45-53,2013.

    @article{,
       author = {Wolfgang Lehner and Frank Rosenthal and Matthias B\"{o}hm and Ulrike Fischer and Lars Dannecker},
       title = {Towards Integrated Data Analytics: Time Series Forecasting in DBMS},
       journal = {Datenbank-Spektrum},
       volume = {13},
       year = {2013},
       pages = {45--53},
       url = {http://dx.doi.org/10.1007/s13222-012-0108-4}
    }

  • The Planning OLAP Model – A Multidimensional Model with Planning Support

    The Planning OLAP Model – A Multidimensional Model with Planning Support.

    Jäksch, B.; Lehner, W.

    In Trans. Large-Scale Data- and Knowledge-Centered Systems.Hameurlain, Abdelkader; Küng, Josef; Wagner, Roland; Cuzzocrea, Alfredo & Dayal, Umeshwar,32-52,2013.

    @article{,
       author = {Bernhard J\"{a}ksch and Wolfgang Lehner},
       title = {The Planning OLAP Model \&\#8211; A Multidimensional Model with Planning Support},
       journal = {Trans. Large-Scale Data- and Knowledge-Centered Systems},
       series = {Lecture Notes in Computer Science},
       volume = {8},
       year = {2013},
       isbn = {978-3-642-37573-6},
       pages = {32--52},
       url = {http://dx.doi.org/10.1007/978-3-642-37574-3_2},
       publisher = {Hameurlain, Abdelkader; K\"{u}ng, Josef; Wagner, Roland; Cuzzocrea, Alfredo \& Dayal, Umeshwar}
    }

  • Special issue on best papers of VLDB 2011.

    Lehner, W.

    In VLDB J.2013.

    @article{,
       author = {Wolfgang Lehner},
       title = {Special issue on best papers of VLDB 2011},
       journal = {VLDB J.},
       volume = {22},
       year = {2013},
       url = {http://dx.doi.org/10.1007/s00778-012-0301-y}
    }

  • SAP HANA: The Evolution from a Modern Main-Memory Data Platform to an Enterprise Application Platform.

    Lehner, W.

    In PVLDB.1184-1185,2013.

    @article{,
       author = {Wolfgang Lehner},
       title = {SAP HANA: The Evolution from a Modern Main-Memory Data Platform to an Enterprise Application Platform},
       journal = {PVLDB},
       volume = {6},
       year = {2013},
       pages = {1184--1185},
       url = {http://www.vldb.org/pvldb/vol6/p1184-sikka.pdf}
    }

  • Report on the second international workshop on energy data management (EnDM 2013).

    Lehner, W.

    In SIGMOD Record.70-72,2013.

    @article{,
       author = {Wolfgang Lehner},
       title = {Report on the second international workshop on energy data management (EnDM 2013)},
       journal = {SIGMOD Record},
       volume = {42},
       year = {2013},
       pages = {70--72},
       url = {http://doi.acm.org/10.1145/2590989.2591002}
    }

  • Report on the first international workshop on energy data management (EnDM 2012).

    Lehner, W.

    In SIGMOD Record.50-52,2013.

    @article{,
       author = {Wolfgang Lehner},
       title = {Report on the first international workshop on energy data management (EnDM 2012)},
       journal = {SIGMOD Record},
       volume = {42},
       year = {2013},
       pages = {50--52},
       url = {http://doi.acm.org/10.1145/2481528.2481539}
    }

  • Optimizing Sample Design for Approximate Query Processing

    Optimizing Sample Design for Approximate Query Processing.

    Lehner, W.; Rösch, P.

    In IJKBO.2013.

    @article{,
       author = {Wolfgang Lehner and Philipp R\"{o}sch},
       title = {Optimizing Sample Design for Approximate Query Processing},
       journal = {IJKBO},
       volume = {3},
       year = {2013},
       url = {http://dx.doi.org/10.4018/ijkbo.2013100101}
    }

  • Non-uniformity issues and workarounds in bounded-size sampling

    Non-uniformity issues and workarounds in bounded-size sampling.

    Lehner, W.; Gemulla, R.

    In VLDB J.753-772,2013.

    @article{,
       author = {Wolfgang Lehner and Rainer Gemulla},
       title = {Non-uniformity issues and workarounds in bounded-size sampling},
       journal = {VLDB J.},
       volume = {22},
       year = {2013},
       pages = {753--772},
       url = {http://dx.doi.org/10.1007/s00778-013-0307-0}
    }

  • Dr. Dean Jacobs.

    Kemper, A.; Lehner, W.

    In Datenbank-Spektrum.71-72,2013.

    @article{,
       author = {Alfons Kemper and Wolfgang Lehner},
       title = {Dr. Dean Jacobs},
       journal = {Datenbank-Spektrum},
       volume = {13},
       year = {2013},
       pages = {71--72},
       url = {http://dx.doi.org/10.1007/s13222-013-0117-y}
    }

  • Transparent Forecasting Strategies in Database Management Systems

    Transparent Forecasting Strategies in Database Management Systems.

    Lehner, W.; Fischer, U.

    In Business Intelligence - Third European Summer School, eBISS 2013, Dagstuhl Castle, Germany, July 7-12, 2013, Tutorial Lectures.Zimányi, Esteban,150-181,2013.

    @article{,
       author = {Wolfgang Lehner and Ulrike Fischer},
       title = {Transparent Forecasting Strategies in Database Management Systems},
       booktitle = {Business Intelligence - Third European Summer School, eBISS 2013, Dagstuhl Castle, Germany, July 7-12, 2013, Tutorial Lectures},
       series = {Lecture Notes in Business Information Processing},
       volume = {172},
       year = {2013},
       isbn = {978-3-319-05460-5},
       pages = {150--181},
       url = {http://dx.doi.org/10.1007/978-3-319-05461-2_5},
       publisher = {Zim\'{a}nyi, Esteban}
    }

  • The HELLS-join: a heterogeneous stream join for extremely large windows.

    Karnagel, T.; Habich, D.; Schlegel, B.; Lehner, W.

    In Proceedings of the Ninth International Workshop on Data Management on New Hardware, DaMoN 1013, New York, NY, USA, June 24, 2013.Johnson, Ryan & Kemper, Alfons,2013.

    @article{,
       author = {Tomas Karnagel and Dirk Habich and Benjamin Schlegel and Wolfgang Lehner},
       title = {The HELLS-join: a heterogeneous stream join for extremely large windows},
       booktitle = {Proceedings of the Ninth International Workshop on Data Management on New Hardware, DaMoN 1013, New York, NY, USA, June 24, 2013},
       year = {2013},
       isbn = {978-1-4503-2196-9},
       url = {http://doi.acm.org/10.1145/2485278.2485280},
       publisher = {Johnson, Ryan \& Kemper, Alfons}
    }

  • The Graph Story of the SAP HANA Database

    The Graph Story of the SAP HANA Database.

    Rudolf, M.; Paradies, M.; Bornhövd, C.; Lehner, W.

    In Datenbanksysteme für Business, Technologie und Web (BTW), 15. Fachtagung des GI-Fachbereichs Datenbanken und Informationssysteme" (DBIS).403-420,2013.

    @article{,
       author = {Michael Rudolf and Marcus Paradies and Christof Bornh\"{o}vd and Wolfgang Lehner},
       title = {The Graph Story of the SAP HANA Database},
       booktitle = {Datenbanksysteme f\"{u}r Business, Technologie und Web (BTW), 15. Fachtagung des GI-Fachbereichs Datenbanken und Informationssysteme"' (DBIS)},
       volume = {214},
       year = {2013},
       isbn = {978-3-88579-608-4},
       pages = {403--420},
       url = {http://www.btw-2013.de/proceedings/The\%20Graph\%20Story\%20of\%20the\%20SAP\%20HANA\%20Database.pdf}
    }

  • SynopSys: large graph analytics in the SAP HANA database through summarization.

    Rudolf, M.; Paradies, M.; Bornhövd, C.; Lehner, W.

    In First International Workshop on Graph Data Management Experiences and Systems, GRADES 2013, co-loated with SIGMOD/PODS 2013, New York, NY, USA, June 24, 2013.Boncz, Peter A. & Neumann, Thomas,2013.

    @article{,
       author = {Michael Rudolf and Marcus Paradies and Christof Bornh\"{o}vd and Wolfgang Lehner},
       title = {SynopSys: large graph analytics in the SAP HANA database through summarization},
       booktitle = {First International Workshop on Graph Data Management Experiences and Systems, GRADES 2013, co-loated with SIGMOD/PODS 2013, New York, NY, USA, June 24, 2013},
       year = {2013},
       isbn = {978-1-4503-2188-4},
       url = {http://event.cwi.nl/grades2013/16-Rudolf.pdf},
       publisher = {Boncz, Peter A. \& Neumann, Thomas}
    }

  • Stream Join Processing on Heterogeneous Processors

    Stream Join Processing on Heterogeneous Processors.

    Karnagel, T.; Schlegel, B.; Habich, D.; Lehner, W.

    In Datenbanksysteme für Business, Technologie und Web (BTW), - Workshopband, 15. Fachtagung des GI-Fachbereichs Datenbanken und Informationssysteme" (DBIS).17-26,2013.

    @article{,
       author = {Tomas Karnagel and Benjamin Schlegel and Dirk Habich and Wolfgang Lehner},
       title = {Stream Join Processing on Heterogeneous Processors},
       booktitle = {Datenbanksysteme f\"{u}r Business, Technologie und Web (BTW), - Workshopband, 15. Fachtagung des GI-Fachbereichs Datenbanken und Informationssysteme"' (DBIS)},
       volume = {216},
       year = {2013},
       isbn = {978-3-88579-610-7},
       pages = {17--26},
       url = {http://www.btw-2013.de/proceedings/Stream\%20Join\%20Processing\%20on\%20Heterogeneous\%20Processors.pdf}
    }

  • SMIX: self-managing indexes for dynamic workloads

    SMIX: self-managing indexes for dynamic workloads.

    Lehner, W.; Voigt, H.; Kissinger, T.

    In Conference on Scientific and Statistical Database Management, SSDBM '13, Baltimore, MD, USA, July 29 - 31, 2013.Szalay, Alex; Budavari, Tamas; Balazinska, Magdalena; Meliou, Alexandra & Sacan, Ahmet,2013.

    @article{,
       author = {Wolfgang Lehner and Hannes Voigt and Thomas Kissinger},
       title = {SMIX: self-managing indexes for dynamic workloads},
       booktitle = {Conference on Scientific and Statistical Database Management, SSDBM '13, Baltimore, MD, USA, July 29 - 31, 2013},
       year = {2013},
       isbn = {978-1-4503-1921-8},
       url = {http://doi.acm.org/10.1145/2484838.2484862},
       publisher = {Szalay, Alex; Budavari, Tamas; Balazinska, Magdalena; Meliou, Alexandra \& Sacan, Ahmet}
    }

  • Scalable frequent itemset mining on many-core processors.

    Schlegel, B.; Karnagel, T.; Kiefer, T.; Lehner, W.

    In Proceedings of the Ninth International Workshop on Data Management on New Hardware, DaMoN 1013, New York, NY, USA, June 24, 2013.Johnson, Ryan & Kemper, Alfons,2013.

    @article{,
       author = {Benjamin Schlegel and Tomas Karnagel and Tim Kiefer and Wolfgang Lehner},
       title = {Scalable frequent itemset mining on many-core processors},
       booktitle = {Proceedings of the Ninth International Workshop on Data Management on New Hardware, DaMoN 1013, New York, NY, USA, June 24, 2013},
       year = {2013},
       isbn = {978-1-4503-2196-9},
       url = {http://doi.acm.org/10.1145/2485278.2485281},
       publisher = {Johnson, Ryan \& Kemper, Alfons}
    }

  • SAP HANA distributed in-memory database system: Transaction, session, and metadata management.

    Lehner, W.

    In 29th IEEE International Conference on Data Engineering, ICDE 2013, Brisbane, Australia, April 8-12, 2013.Jensen, Christian S.; Jermaine, Christopher M. & Zhou, Xiaofang,1165-1173,2013.

    @article{,
       author = {Wolfgang Lehner},
       title = {SAP HANA distributed in-memory database system: Transaction, session, and metadata management},
       booktitle = {29th IEEE International Conference on Data Engineering, ICDE 2013, Brisbane, Australia, April 8-12, 2013},
       year = {2013},
       isbn = {978-1-4673-4909-3},
       pages = {1165--1173},
       url = {http://dx.doi.org/10.1109/ICDE.2013.6544906},
       publisher = {Jensen, Christian S.; Jermaine, Christopher M. \& Zhou, Xiaofang}
    }

  • Rethinking Energy Data Management: Trends and Challenges in Today’s Transforming Markets

    Rethinking Energy Data Management: Trends and Challenges in Today’s Transforming Markets.

    Ulbricht, R.; Fischer, U.; Lehner, W.; Donker, H.

    In Datenbanksysteme für Business, Technologie und Web (BTW), 15. Fachtagung des GI-Fachbereichs Datenbanken und Informationssysteme" (DBIS).421-440,2013.

    @article{,
       author = {Robert Ulbricht and Ulrike Fischer and Wolfgang Lehner and Hilko Donker},
       title = {Rethinking Energy Data Management: Trends and Challenges in Today\&\#8217;s Transforming Markets},
       booktitle = {Datenbanksysteme f\"{u}r Business, Technologie und Web (BTW), 15. Fachtagung des GI-Fachbereichs Datenbanken und Informationssysteme"' (DBIS)},
       volume = {214},
       year = {2013},
       isbn = {978-3-88579-608-4},
       pages = {421--440},
       url = {http://www.btw-2013.de/proceedings/Rethinking\%20Energy\%20Data\%20Management\%20Trends\%20and\%20Challenges\%20in\%20Todays\%20Transforming\%20Markets.pdf}
    }

  • Research challenges for energy data management (panel).

    Lehner, W.

    In Joint 2013 EDBT/ICDT Conferences, EDBT/ICDT '13, Genoa, Italy, March 22, 2013, Workshop Proceedings.Guerrini, Giovanna,273-274,2013.

    @article{,
       author = {Wolfgang Lehner},
       title = {Research challenges for energy data management (panel)},
       booktitle = {Joint 2013 EDBT/ICDT Conferences, EDBT/ICDT '13, Genoa, Italy, March 22, 2013, Workshop Proceedings},
       year = {2013},
       isbn = {978-1-4503-1599-9},
       pages = {273--274},
       url = {http://doi.acm.org/10.1145/2457317.2457362},
       publisher = {Guerrini, Giovanna}
    }

  • Query processing on prefix trees live.

    Lehner, W.; Habich, D.; Schlegel, B.; Kissinger, T.

    In Proceedings of the ACM SIGMOD International Conference on Management of Data, SIGMOD 2013, New York, NY, USA, June 22-27, 2013.Ross, Kenneth A.; Srivastava, Divesh & Papadias, Dimitris,1105-1108,2013.

    @article{,
       author = {Wolfgang Lehner and Dirk Habich and Benjamin Schlegel and Thomas Kissinger},
       title = {Query processing on prefix trees live},
       booktitle = {Proceedings of the ACM SIGMOD International Conference on Management of Data, SIGMOD 2013, New York, NY, USA, June 22-27, 2013},
       year = {2013},
       isbn = {978-1-4503-2037-5},
       pages = {1105--1108},
       url = {http://doi.acm.org/10.1145/2463676.2463682},
       publisher = {Ross, Kenneth A.; Srivastava, Divesh \& Papadias, Dimitris}
    }

  • QPPT: Query Processing on Prefix Trees

    QPPT: Query Processing on Prefix Trees.

    Lehner, W.; Habich, D.; Schlegel, B.; Kissinger, T.

    In CIDR 2013, Sixth Biennial Conference on Innovative Data Systems Research, Asilomar, CA, USA, January 6-9, 2013, Online Proceedings.2013.

    @article{,
       author = {Wolfgang Lehner and Dirk Habich and Benjamin Schlegel and Thomas Kissinger},
       title = {QPPT: Query Processing on Prefix Trees},
       booktitle = {CIDR 2013, Sixth Biennial Conference on Innovative Data Systems Research, Asilomar, CA, USA, January 6-9, 2013, Online Proceedings},
       year = {2013},
       url = {http://www.cidrdb.org/cidr2013/Papers/CIDR13_Paper3.pdf}
    }

  • Publish-time data integration for open data platforms.

    Eberius, J.; Damme, P.; Braunschweig, K.; Thiele, M.; Lehner, W.

    In Proceedings of the 2nd International Workshop on Open Data, WOD 2013, Paris, France, June 3, 2013.Christophides, Vassilis & Vodislav, Dan,2013.

    @article{,
       author = {Julian Eberius and Patrick Damme and Katrin Braunschweig and Maik Thiele and Wolfgang Lehner},
       title = {Publish-time data integration for open data platforms},
       booktitle = {Proceedings of the 2nd International Workshop on Open Data, WOD 2013, Paris, France, June 3, 2013},
       year = {2013},
       isbn = {978-1-4503-2020-7},
       url = {http://doi.acm.org/10.1145/2500410.2500413},
       publisher = {Christophides, Vassilis \& Vodislav, Dan}
    }

  • pEDM: online-forecasting for smart energy analytics

    pEDM: online-forecasting for smart energy analytics.

    Lehner, W.; Rösch, P.; Fischer, U.; Dannecker, L.

    In 22nd ACM International Conference on Information and Knowledge Management, CIKM'13, San Francisco, CA, USA, October 27 - November 1, 2013.He, Qi; Iyengar, Arun; Nejdl, Wolfgang; Pei, Jian & Rastogi, Rajeev,2411-2416,2013.

    @article{,
       author = {Wolfgang Lehner and Philipp R\"{o}sch and Ulrike Fischer and Lars Dannecker},
       title = {pEDM: online-forecasting for smart energy analytics},
       booktitle = {22nd ACM International Conference on Information and Knowledge Management, CIKM'13, San Francisco, CA, USA, October 27 - November 1, 2013},
       year = {2013},
       isbn = {978-1-4503-2263-8},
       pages = {2411--2416},
       url = {http://doi.acm.org/10.1145/2505515.2505588},
       publisher = {He, Qi; Iyengar, Arun; Nejdl, Wolfgang; Pei, Jian \& Rastogi, Rajeev}
    }

  • pcApriori: scalable apriori for multiprocessor systems.

    Lehner, W.; Schlegel, B.; Kissinger, T.; Kiefer, T.

    In Conference on Scientific and Statistical Database Management, SSDBM '13, Baltimore, MD, USA, July 29 - 31, 2013.Szalay, Alex; Budavari, Tamas; Balazinska, Magdalena; Meliou, Alexandra & Sacan, Ahmet,2013.

    @article{,
       author = {Wolfgang Lehner and Benjamin Schlegel and Thomas Kissinger and Tim Kiefer},
       title = {pcApriori: scalable apriori for multiprocessor systems},
       booktitle = {Conference on Scientific and Statistical Database Management, SSDBM '13, Baltimore, MD, USA, July 29 - 31, 2013},
       year = {2013},
       isbn = {978-1-4503-1921-8},
       url = {http://doi.acm.org/10.1145/2484838.2484879},
       publisher = {Szalay, Alex; Budavari, Tamas; Balazinska, Magdalena; Meliou, Alexandra \& Sacan, Ahmet}
    }

  • Pack Indexing for Time-Constrained In-Memory Query Processing

    Pack Indexing for Time-Constrained In-Memory Query Processing.

    Lehner, W.; Voigt, H.; Jäkel, T.; Kissinger, T.

    In Datenbanksysteme für Business, Technologie und Web (BTW), 15. Fachtagung des GI-Fachbereichs Datenbanken und Informationssysteme" (DBIS).149-163,2013.

    @article{,
       author = {Wolfgang Lehner and Hannes Voigt and Tobias J\"{a}kel and Thomas Kissinger},
       title = {Pack Indexing for Time-Constrained In-Memory Query Processing},
       booktitle = {Datenbanksysteme f\"{u}r Business, Technologie und Web (BTW), 15. Fachtagung des GI-Fachbereichs Datenbanken und Informationssysteme"' (DBIS)},
       volume = {214},
       year = {2013},
       isbn = {978-3-88579-608-4},
       pages = {149--163},
       url = {http://www.btw-2013.de/proceedings/Pack\%20Indexing\%20for\%20TimeConstrained\%20InMemory\%20Query\%20Processing.pdf}
    }

  • Optimized renewable energy forecasting in local distribution networks.

    Lehner, W.; Fischer, U.; Ulbricht, R.

    In Joint 2013 EDBT/ICDT Conferences, EDBT/ICDT '13, Genoa, Italy, March 22, 2013, Workshop Proceedings.Guerrini, Giovanna,262-266,2013.

    @article{,
       author = {Wolfgang Lehner and Ulrike Fischer and Robert Ulbricht},
       title = {Optimized renewable energy forecasting in local distribution networks},
       booktitle = {Joint 2013 EDBT/ICDT Conferences, EDBT/ICDT '13, Genoa, Italy, March 22, 2013, Workshop Proceedings},
       year = {2013},
       isbn = {978-1-4503-1599-9},
       pages = {262--266},
       url = {http://doi.acm.org/10.1145/2457317.2457360},
       publisher = {Guerrini, Giovanna}
    }

  • Main-Memory Centric Data Management – Open Problems and Some Solutions.

    Lehner, W.

    In DATA 2013 - Proceedings of the 2nd International Conference on Data Technologies and Applications, Reykjavík, Iceland, 29 - 31 July, 2013.Helfert, Markus; Francalanci, Chiara & Filipe, Joaquim,2013.

    @article{,
       author = {Wolfgang Lehner},
       title = {Main-Memory Centric Data Management \&\#8211; Open Problems and Some Solutions},
       booktitle = {DATA 2013 - Proceedings of the 2nd International Conference on Data Technologies and Applications, Reykjavík, Iceland, 29 - 31 July, 2013},
       year = {2013},
       isbn = {978-989-8565-67-9},
       publisher = {Helfert, Markus; Francalanci, Chiara \& Filipe, Joaquim}
    }

  • Leveraging flexible data management with graph databases

    Leveraging flexible data management with graph databases.

    Vasilyeva, E.; Thiele, M.; Lehner, W.

    In First International Workshop on Graph Data Management Experiences and Systems, GRADES 2013, co-loated with SIGMOD/PODS 2013, New York, NY, USA, June 24, 2013.Boncz, Peter A. & Neumann, Thomas,2013.

    @article{,
       author = {Elena Vasilyeva and Maik Thiele and Wolfgang Lehner},
       title = {Leveraging flexible data management with graph databases},
       booktitle = {First International Workshop on Graph Data Management Experiences and Systems, GRADES 2013, co-loated with SIGMOD/PODS 2013, New York, NY, USA, June 24, 2013},
       year = {2013},
       isbn = {978-1-4503-2188-4},
       url = {http://event.cwi.nl/grades2013/12-vasilyeva.pdf},
       publisher = {Boncz, Peter A. \& Neumann, Thomas}
    }

  • Forecasting the data cube: A model configuration advisor for multi-dimensional data sets.

    Fischer, U.; Schildt, C.; Hartmann, C.; Lehner, W.

    In 29th IEEE International Conference on Data Engineering, ICDE 2013, Brisbane, Australia, April 8-12, 2013.Jensen, Christian S.; Jermaine, Christopher M. & Zhou, Xiaofang,853-864,2013.

    @article{,
       author = {Ulrike Fischer and Christopher Schildt and Claudio Hartmann and Wolfgang Lehner},
       title = {Forecasting the data cube: A model configuration advisor for multi-dimensional data sets},
       booktitle = {29th IEEE International Conference on Data Engineering, ICDE 2013, Brisbane, Australia, April 8-12, 2013},
       year = {2013},
       isbn = {978-1-4673-4909-3},
       pages = {853--864},
       url = {http://dx.doi.org/10.1109/ICDE.2013.6544880},
       publisher = {Jensen, Christian S.; Jermaine, Christopher M. \& Zhou, Xiaofang}
    }

  • Forecasting in hierarchical environments.

    Lehner, W.; Schlegel, B.; Rösch, P.; Dannecker, L.

    In Conference on Scientific and Statistical Database Management, SSDBM '13, Baltimore, MD, USA, July 29 - 31, 2013.Szalay, Alex; Budavari, Tamas; Balazinska, Magdalena; Meliou, Alexandra & Sacan, Ahmet,2013.

    @article{,
       author = {Wolfgang Lehner and Benjamin Schlegel and Philipp R\"{o}sch and Lars Dannecker},
       title = {Forecasting in hierarchical environments},
       booktitle = {Conference on Scientific and Statistical Database Management, SSDBM '13, Baltimore, MD, USA, July 29 - 31, 2013},
       year = {2013},
       isbn = {978-1-4503-1921-8},
       url = {http://doi.acm.org/10.1145/2484838.2484849},
       publisher = {Szalay, Alex; Budavari, Tamas; Balazinska, Magdalena; Meliou, Alexandra \& Sacan, Ahmet}
    }

  • Experimental Evaluation of NUMA Effects on Database Management Systems

    Experimental Evaluation of NUMA Effects on Database Management Systems.

    Lehner, W.; Schlegel, B.; Kiefer, T.

    In Datenbanksysteme für Business, Technologie und Web (BTW), 15. Fachtagung des GI-Fachbereichs Datenbanken und Informationssysteme" (DBIS).185-204,2013.

    @article{,
       author = {Wolfgang Lehner and Benjamin Schlegel and Tim Kiefer},
       title = {Experimental Evaluation of NUMA Effects on Database Management Systems},
       booktitle = {Datenbanksysteme f\"{u}r Business, Technologie und Web (BTW), 15. Fachtagung des GI-Fachbereichs Datenbanken und Informationssysteme"' (DBIS)},
       volume = {214},
       year = {2013},
       isbn = {978-3-88579-608-4},
       pages = {185--204},
       url = {http://www.btw-2013.de/proceedings/Experimental\%20Evaluation\%20of\%20NUMA\%20Effects\%20on\%20Database\%20Management\%20Systems.pdf}
    }

  • Enhancing Named Entity Extraction by Effectively Incorporating the Crowd

    Enhancing Named Entity Extraction by Effectively Incorporating the Crowd.

    Braunschweig, K.; Thiele, M.; Eberius, J.; Lehner, W.

    In Datenbanksysteme für Business, Technologie und Web (BTW), - Workshopband, 15. Fachtagung des GI-Fachbereichs Datenbanken und Informationssysteme" (DBIS).181-195,2013.

    @article{,
       author = {Katrin Braunschweig and Maik Thiele and Julian Eberius and Wolfgang Lehner},
       title = {Enhancing Named Entity Extraction by Effectively Incorporating the Crowd},
       booktitle = {Datenbanksysteme f\"{u}r Business, Technologie und Web (BTW), - Workshopband, 15. Fachtagung des GI-Fachbereichs Datenbanken und Informationssysteme"' (DBIS)},
       volume = {216},
       year = {2013},
       isbn = {978-3-88579-610-7},
       pages = {181--195},
       url = {http://www.btw-2013.de/proceedings/Enhancing\%20Named\%20Entity\%20Extraction\%20by\%20Effectively\%20Incorporating\%20the\%20Crowd.pdf}
    }

  • Energy-efficient in-memory database computing

    Energy-efficient in-memory database computing.

    Lehner, W.

    In Design, Automation and Test in Europe, DATE 13, Grenoble, France, March 18-22, 2013.Macii, Enrico,470-474,2013.

    @article{,
       author = {Wolfgang Lehner},
       title = {Energy-efficient in-memory database computing},
       booktitle = {Design, Automation and Test in Europe, DATE 13, Grenoble, France, March 18-22, 2013},
       year = {2013},
       isbn = {978-1-4503-2153-2},
       pages = {470--474},
       url = {http://dx.doi.org/10.7873/DATE.2013.105},
       publisher = {Macii, Enrico}
    }

  • Efficient forecasting for hierarchical time series

    Efficient forecasting for hierarchical time series.

    Lehner, W.; Rösch, P.; Dannecker, L.

    In 22nd ACM International Conference on Information and Knowledge Management, CIKM'13, San Francisco, CA, USA, October 27 - November 1, 2013.He, Qi; Iyengar, Arun; Nejdl, Wolfgang; Pei, Jian & Rastogi, Rajeev,2399-2404,2013.

    @article{,
       author = {Wolfgang Lehner and Philipp R\"{o}sch and Lars Dannecker},
       title = {Efficient forecasting for hierarchical time series},
       booktitle = {22nd ACM International Conference on Information and Knowledge Management, CIKM'13, San Francisco, CA, USA, October 27 - November 1, 2013},
       year = {2013},
       isbn = {978-1-4503-2263-8},
       pages = {2399--2404},
       url = {http://doi.acm.org/10.1145/2505515.2505622},
       publisher = {He, Qi; Iyengar, Arun; Nejdl, Wolfgang; Pei, Jian \& Rastogi, Rajeev}
    }

  • DrillBeyond: Open-World SQL Queries Using Web Tables

    DrillBeyond: Open-World SQL Queries Using Web Tables.

    Eberius, J.; Thiele, M.; Braunschweig, K.; Lehner, W.

    In Datenbanksysteme für Business, Technologie und Web (BTW), 15. Fachtagung des GI-Fachbereichs Datenbanken und Informationssysteme" (DBIS).523-526,2013.Links: https://dl.acm.org/citation.cfm?id=2791370.

    @article{,
       author = {Julian Eberius and Maik Thiele and Katrin Braunschweig and Wolfgang Lehner},
       title = {DrillBeyond: Open-World SQL Queries Using Web Tables},
       booktitle = {Datenbanksysteme f\"{u}r Business, Technologie und Web (BTW), 15. Fachtagung des GI-Fachbereichs Datenbanken und Informationssysteme"' (DBIS)},
       volume = {214},
       year = {2013},
       isbn = {978-3-88579-608-4},
       pages = {523--526},
       url = {http://www.btw-2013.de/proceedings/DrillBeyond\%20OpenWorld\%20SQL\%20Queries\%20Using\%20Web\%20Tables.pdf},
       acmid = {2791370}
    }

  • BUZZARD: a NUMA-aware in-memory indexing system.

    Lehner, W.; Habich, D.; Kissinger, T.

    In Proceedings of the ACM SIGMOD International Conference on Management of Data, SIGMOD 2013, New York, NY, USA, June 22-27, 2013.Ross, Kenneth A.; Srivastava, Divesh & Papadias, Dimitris,1285-1286,2013.

    @article{,
       author = {Wolfgang Lehner and Dirk Habich and Thomas Kissinger},
       title = {BUZZARD: a NUMA-aware in-memory indexing system},
       booktitle = {Proceedings of the ACM SIGMOD International Conference on Management of Data, SIGMOD 2013, New York, NY, USA, June 22-27, 2013},
       year = {2013},
       isbn = {978-1-4503-2037-5},
       pages = {1285--1286},
       url = {http://doi.acm.org/10.1145/2463676.2465342},
       publisher = {Ross, Kenneth A.; Srivastava, Divesh \& Papadias, Dimitris}
    }

  • Bringing Linear Algebra Objects to Life in a Column-Oriented In-Memory Database

    Bringing Linear Algebra Objects to Life in a Column-Oriented In-Memory Database.

    Lehner, W.; Kernert, D.

    In Proceedings of the 1st International Workshop on In Memory Data Management and Analytics, IMDM 2013, Riva Del Garda, Italy, August 26, 2013.Jagatheesan, Arun; Levandoski, Justin J. & Neumann, Thomas,37-49,2013.

    @article{,
       author = {Wolfgang Lehner and David Kernert},
       title = {Bringing Linear Algebra Objects to Life in a Column-Oriented In-Memory Database},
       booktitle = {Proceedings of the 1st International Workshop on In Memory Data Management and Analytics, IMDM 2013, Riva Del Garda, Italy, August 26, 2013.},
       year = {2013},
       pages = {37--49},
       url = {http://www-db.in.tum.de/other/imdm2013/papers/Kernert.pdf},
       publisher = {Jagatheesan, Arun; Levandoski, Justin J. \& Neumann, Thomas}
    }

  • Bringing Linear Algebra Objects to Life in a Column-Oriented In-Memory Database

    Bringing Linear Algebra Objects to Life in a Column-Oriented In-Memory Database.

    Lehner, W.; Kernert, D.

    In In Memory Data Management and Analysis - First and Second International Workshops, IMDM 2013, Riva del Garda, Italy, August 26, 2013, IMDM 2014, Hongzhou, China, September 1, 2014, Revised Selected Papers.Jagatheesan, Arun; Levandoski, Justin J.; Neumann, Thomas & Pavlo, Andrew,44-55,2013.

    @article{,
       author = {Wolfgang Lehner and David Kernert},
       title = {Bringing Linear Algebra Objects to Life in a Column-Oriented In-Memory Database},
       booktitle = {In Memory Data Management and Analysis - First and Second International Workshops, IMDM 2013, Riva del Garda, Italy, August 26, 2013, IMDM 2014, Hongzhou, China, September 1, 2014, Revised Selected Papers},
       series = {Lecture Notes in Computer Science},
       volume = {8921},
       year = {2013},
       isbn = {978-3-319-13959-3},
       pages = {44--55},
       url = {http://dx.doi.org/10.1007/978-3-319-13960-9_4},
       publisher = {Jagatheesan, Arun; Levandoski, Justin J.; Neumann, Thomas \& Pavlo, Andrew}
    }

  • Advanced Analytics with the SAP HANA Database.

    Lehner, W.; Große, P.

    In DATA 2013 - Proceedings of the 2nd International Conference on Data Technologies and Applications, Reykjavík, Iceland, 29 - 31 July, 2013.Helfert, Markus; Francalanci, Chiara & Filipe, Joaquim,61-71,2013.

    @article{,
       author = {Wolfgang Lehner and Philipp Gro\sse},
       title = {Advanced Analytics with the SAP HANA Database},
       booktitle = {DATA 2013 - Proceedings of the 2nd International Conference on Data Technologies and Applications, Reykjavík, Iceland, 29 - 31 July, 2013},
       year = {2013},
       isbn = {978-989-8565-67-9},
       pages = {61--71},
       url = {http://dx.doi.org/10.5220/0004430800610071},
       publisher = {Helfert, Markus; Francalanci, Chiara \& Filipe, Joaquim}
    }

  • DeExcelerator: a framework for extracting relational data from partially structured documents.

    Eberius, J.; Werner, C.; Thiele, M.; Braunschweig, K.; Dannecker, L.; Lehner, W.

    In 22nd ACM International Conference on Information and Knowledge Management, CIKM'13, San Francisco, CA, USA, October 27 - November 1, 2013.He, Qi; Iyengar, Arun; Nejdl, Wolfgang; Pei, Jian & Rastogi, Rajeev,2477-2480,2013.Links: https://dl.acm.org/citation.cfm?id=2508210.

    @article{,
       author = {Julian Eberius and Christoper Werner and Maik Thiele and Katrin Braunschweig and Lars Dannecker and Wolfgang Lehner},
       title = {DeExcelerator: a framework for extracting relational data from partially structured documents},
       booktitle = {22nd ACM International Conference on Information and Knowledge Management, CIKM'13, San Francisco, CA, USA, October 27 - November 1, 2013},
       year = {2013},
       isbn = {978-1-4503-2263-8},
       pages = {2477--2480},
       numpages = {4},
       url = {http://doi.acm.org/10.1145/2505515.2508210},
       publisher = {He, Qi; Iyengar, Arun; Nejdl, Wolfgang; Pei, Jian \& Rastogi, Rajeev}
    }

Year 2012 (27 Publications)

  • Data-Warehousing 3.0 – Die Rolle von Data-Warehouse-Systemen auf Basis von In-Memory-Technologie

    Data-Warehousing 3.0 – Die Rolle von Data-Warehouse-Systemen auf Basis von In-Memory-Technologie.

    Thiele, M.; Lehner, W.; Habich, D.

    In Innovative Unternehmensanwendungen mit In-Memory Data Management.IMDM'12GI,57-68,2012.

    @article{,
       author = {Maik Thiele and Wolfgang Lehner and Dirk Habich},
       title = {Data-Warehousing 3.0 \&\#8211; Die Rolle von Data-Warehouse-Systemen auf Basis von In-Memory-Technologie},
       booktitle = {Innovative Unternehmensanwendungen mit In-Memory Data Management},
       series = {LNI},
       year = {2012},
       month = {12},
       isbn = {978-3-88579-287-1},
       pages = {57--68},
       publisher = {GI}
    }

  • Real-Time BI and Situational Analysis

    Real-Time BI and Situational Analysis.

    Thiele, M.; Lehner, W.

    In Business Intelligence Applications and the Web: Models, Systems and Technologies.IGI-Global,285-309,2012.

    @inbook{,
       author = {Maik Thiele and Wolfgang Lehner},
       title = {Real-Time BI and Situational Analysis},
       booktitle = {Business Intelligence Applications and the Web: Models, Systems and Technologies},
       year = {2012},
       month = {1},
       pages = {285--309},
       numpages = {25},
       url = {http://dx.doi.org/10.4018/978-1-61350-038-5.ch013},
       publisher = {IGI-Global}
    }

  • The State of Open Data – Limits of Current Open Data Platforms

    The State of Open Data – Limits of Current Open Data Platforms.

    Braunschweig, K.; Eberius, J.; Thiele, M.; Lehner, W.

    In Web Science Track at WWW'12, Lyon, France, April 16-20, 2012.2012.

    @article{,
       author = {Katrin Braunschweig and Julian Eberius and Maik Thiele and Wolfgang Lehner},
       title = {The State of Open Data \&\#8211; Limits of Current Open Data Platforms},
       booktitle = {Web Science Track at WWW'12, Lyon, France, April 16-20, 2012},
       year = {2012},
       month = {1}
    }

  • Explorative Multi-View Clustering Using Frequent-Groupings

    Explorative Multi-View Clustering Using Frequent-Groupings.

    Habich, D.; Hahmann, M.; Lehner, W.

    In 3rd MultiClust Workshop: Discovering, Summarizing and Using Multiple Clusterings, MultiClust '12, in conjunction with SDM 2012, Anaheim, CA, USA, April 28, 2012, Anaheim, CA, USA, April 28, 2012.31-38,2012.

    @{,
       author = {Dirk Habich and Martin Hahmann and Wolfgang Lehner},
       title = {Explorative Multi-View Clustering Using Frequent-Groupings},
       booktitle = {3rd MultiClust Workshop: Discovering, Summarizing and Using Multiple Clusterings, MultiClust '12, in conjunction with SDM 2012, Anaheim, CA, USA, April 28, 2012, Anaheim, CA, USA, April 28, 2012.},
       year = {2012},
       month = {1},
       pages = {31--38}
    }

  • The SAP HANA Database – An Architecture Overview

    The SAP HANA Database – An Architecture Overview.

    Lehner, W.; Große, P.

    In IEEE Data Eng. Bull.28-33,2012.

    @article{,
       author = {Wolfgang Lehner and Philipp Gro\sse},
       title = {The SAP HANA Database \&\#8211; An Architecture Overview},
       journal = {IEEE Data Eng. Bull.},
       volume = {35},
       year = {2012},
       pages = {28--33},
       url = {http://sites.computer.org/debull/A12mar/hana.pdf}
    }

  • Special section on large-scale analytics

    Special section on large-scale analytics.

    Lehner, W.

    In VLDB J.587-588,2012.

    @article{,
       author = {Wolfgang Lehner},
       title = {Special section on large-scale analytics},
       journal = {VLDB J.},
       volume = {21},
       year = {2012},
       pages = {587--588},
       url = {http://dx.doi.org/10.1007/s00778-012-0291-9}
    }

  • OPEN – Enabling Non-expert Users to Extract, Integrate, and Analyze Open Data.

    Lehner, W.; Thiele, M.; Eberius, J.; Braunschweig, K.

    In Datenbank-Spektrum.121-130,2012.

    @article{,
       author = {Wolfgang Lehner and Maik Thiele and Julian Eberius and Katrin Braunschweig},
       title = {OPEN \&\#8211; Enabling Non-expert Users to Extract, Integrate, and Analyze Open Data},
       journal = {Datenbank-Spektrum},
       volume = {12},
       year = {2012},
       pages = {121--130},
       url = {http://dx.doi.org/10.1007/s13222-012-0091-9}
    }

  • Model-based Integration of Past & Future in TimeTravel.

    Lehner, W.; Fischer, U.

    In PVLDB.1974-1977,2012.

    @article{,
       author = {Wolfgang Lehner and Ulrike Fischer},
       title = {Model-based Integration of Past \& Future in TimeTravel},
       journal = {PVLDB},
       volume = {5},
       year = {2012},
       pages = {1974--1977},
       url = {http://vldb.org/pvldb/vol5/p1974_mohamedekhalefa_vldb2012.pdf}
    }

  • Frontiers in Crowdsourced Data Integration.

    Braunschweig, K.; Eberius, J.; Thiele, M.; Lehner, W.

    In it - Information Technology.130-137,2012.

    @article{,
       author = {Katrin Braunschweig and Julian Eberius and Maik Thiele and Wolfgang Lehner},
       title = {Frontiers in Crowdsourced Data Integration},
       journal = {it - Information Technology},
       volume = {54},
       year = {2012},
       pages = {130--137},
       url = {http://dx.doi.org/10.1524/itit.2012.0673}
    }

  • DrillBeyond: Enabling Business Analysts to Explore the Web of Open Data.

    Eberius, J.; Thiele, M.; Braunschweig, K.; Lehner, W.

    In PVLDB.1978-1981,2012.

    @article{,
       author = {Julian Eberius and Maik Thiele and Katrin Braunschweig and Wolfgang Lehner},
       title = {DrillBeyond: Enabling Business Analysts to Explore the Web of Open Data},
       journal = {PVLDB},
       volume = {5},
       year = {2012},
       pages = {1978--1981},
       url = {http://vldb.org/pvldb/vol5/p1978_julianeberius_vldb2012.pdf}
    }

  • Die Datenbankforschungsgruppe der Technischen Universität Dresden stellt sich vor.

    Lehner, W.

    In Datenbank-Spektrum.141-144,2012.

    @article{,
       author = {Wolfgang Lehner},
       title = {Die Datenbankforschungsgruppe der Technischen Universit\"{a}t Dresden stellt sich vor},
       journal = {Datenbank-Spektrum},
       volume = {12},
       year = {2012},
       pages = {141--144},
       url = {http://dx.doi.org/10.1007/s13222-012-0095-5}
    }

  • A high-throughput in-memory index, durable on flash-based SSD: insights into the winning solution of the SIGMOD programming contest 2011.

    Lehner, W.; Habich, D.; Schlegel, B.; Kissinger, T.; Böhm, M.

    In SIGMOD Record.44-50,2012.

    @article{,
       author = {Wolfgang Lehner and Dirk Habich and Benjamin Schlegel and Thomas Kissinger and Matthias B\"{o}hm},
       title = {A high-throughput in-memory index, durable on flash-based SSD: insights into the winning solution of the SIGMOD programming contest 2011},
       journal = {SIGMOD Record},
       volume = {41},
       year = {2012},
       pages = {44--50},
       url = {http://doi.acm.org/10.1145/2380776.2380788}
    }

  • SMIX Live – A Self-Managing Index Infrastructure for Dynamic Workloads

    SMIX Live – A Self-Managing Index Infrastructure for Dynamic Workloads.

    Lehner, W.; Voigt, H.; Kissinger, T.

    In IEEE 28th International Conference on Data Engineering (ICDE 2012), Washington, DC, USA (Arlington, Virginia), 1-5 April, 2012.Kementsietsidis, Anastasios & Salles, Marcos Antonio Vaz,1225-1228,2012.

    @article{,
       author = {Wolfgang Lehner and Hannes Voigt and Thomas Kissinger},
       title = {SMIX Live \&\#8211; A Self-Managing Index Infrastructure for Dynamic Workloads},
       booktitle = {IEEE 28th International Conference on Data Engineering (ICDE 2012), Washington, DC, USA (Arlington, Virginia), 1-5 April, 2012},
       year = {2012},
       isbn = {978-0-7695-4747-3},
       pages = {1225--1228},
       url = {http://dx.doi.org/10.1109/ICDE.2012.9},
       publisher = {Kementsietsidis, Anastasios \& Salles, Marcos Antonio Vaz}
    }

  • Sample-based forecasting exploiting hierarchical time series.

    Lehner, W.; Rosenthal, F.; Fischer, U.

    In 16th International Database Engineering & Applications Symposium, IDEAS '12, Prague, Czech Republic, August 8-10, 2012.Desai, Bipin C.; Pokorný, Jaroslav & Bernardino, Jorge,120-129,2012.

    @article{,
       author = {Wolfgang Lehner and Frank Rosenthal and Ulrike Fischer},
       title = {Sample-based forecasting exploiting hierarchical time series},
       booktitle = {16th International Database Engineering \& Applications Symposium, IDEAS '12, Prague, Czech Republic, August 8-10, 2012},
       year = {2012},
       isbn = {978-1-4503-1234-9},
       pages = {120--129},
       url = {http://doi.acm.org/10.1145/2351476.2351490},
       publisher = {Desai, Bipin C.; Pokorný, Jaroslav \& Bernardino, Jorge}
    }

  • Real-Time Business Intelligence in the MIRABEL Smart Grid System.

    Lehner, W.; Fischer, U.

    In Enabling Real-Time Business Intelligence - 6th International Workshop, BIRTE 2012, Held at the 38th International Conference on Very Large Databases, VLDB 2012, Istanbul, Turkey, August 27, 2012, Revised Selected Papers.Castellanos, Malú; Dayal, Umeshwar & Rundensteiner, Elke A.,2012.

    @article{,
       author = {Wolfgang Lehner and Ulrike Fischer},
       title = {Real-Time Business Intelligence in the MIRABEL Smart Grid System},
       booktitle = {Enabling Real-Time Business Intelligence - 6th International Workshop, BIRTE 2012, Held at the 38th International Conference on Very Large Databases, VLDB 2012, Istanbul, Turkey, August 27, 2012, Revised Selected Papers},
       series = {Lecture Notes in Business Information Processing},
       volume = {154},
       year = {2012},
       isbn = {978-3-642-39871-1},
       url = {http://dx.doi.org/10.1007/978-3-642-39872-8_1},
       publisher = {Castellanos, Malú; Dayal, Umeshwar \& Rundensteiner, Elke A.}
    }

  • Pathways to servers of the future

    Pathways to servers of the future.

    Lehner, W.

    In 2012 Design, Automation & Test in Europe Conference & Exhibition, DATE 2012, Dresden, Germany, March 12-16, 2012.Rosenstiel, Wolfgang & Thiele, Lothar,1161-1166,2012.

    @article{,
       author = {Wolfgang Lehner},
       title = {Pathways to servers of the future},
       booktitle = {2012 Design, Automation \& Test in Europe Conference \& Exhibition, DATE 2012, Dresden, Germany, March 12-16, 2012},
       year = {2012},
       isbn = {978-1-4577-2145-8},
       pages = {1161--1166},
       url = {http://dx.doi.org/10.1109/DATE.2012.6176577},
       publisher = {Rosenstiel, Wolfgang \& Thiele, Lothar}
    }

  • Partitioning and Multi-core Parallelization of Multi-equation Forecast Models.

    Lehner, W.; Böhm, M.; Dannecker, L.

    In Scientific and Statistical Database Management - 24th International Conference, SSDBM 2012, Chania, Crete, Greece, June 25-27, 2012. Proceedings.Ailamaki, Anastasia & Bowers, Shawn,106-123,2012.

    @article{,
       author = {Wolfgang Lehner and Matthias B\"{o}hm and Lars Dannecker},
       title = {Partitioning and Multi-core Parallelization of Multi-equation Forecast Models},
       booktitle = {Scientific and Statistical Database Management - 24th International Conference, SSDBM 2012, Chania, Crete, Greece, June 25-27, 2012. Proceedings},
       series = {Lecture Notes in Computer Science},
       volume = {7338},
       year = {2012},
       isbn = {978-3-642-31234-2},
       pages = {106--123},
       url = {http://dx.doi.org/10.1007/978-3-642-31235-9_7},
       publisher = {Ailamaki, Anastasia \& Bowers, Shawn}
    }

  • Optimizing Notifications of Subscription-Based Forecast Queries.

    Lehner, W.; Böhm, M.; Fischer, U.

    In Scientific and Statistical Database Management - 24th International Conference, SSDBM 2012, Chania, Crete, Greece, June 25-27, 2012. Proceedings.Ailamaki, Anastasia & Bowers, Shawn,449-466,2012.

    @article{,
       author = {Wolfgang Lehner and Matthias B\"{o}hm and Ulrike Fischer},
       title = {Optimizing Notifications of Subscription-Based Forecast Queries},
       booktitle = {Scientific and Statistical Database Management - 24th International Conference, SSDBM 2012, Chania, Crete, Greece, June 25-27, 2012. Proceedings},
       series = {Lecture Notes in Computer Science},
       volume = {7338},
       year = {2012},
       isbn = {978-3-642-31234-2},
       pages = {449--466},
       url = {http://dx.doi.org/10.1007/978-3-642-31235-9_30},
       publisher = {Ailamaki, Anastasia \& Bowers, Shawn}
    }

  • MulTe: A Multi-Tenancy Database Benchmark Framework.

    Lehner, W.; Schlegel, B.; Kiefer, T.

    In TPCTC.92-107,2012.

    @article{,
       author = {Wolfgang Lehner and Benjamin Schlegel and Tim Kiefer},
       title = {MulTe: A Multi-Tenancy Database Benchmark Framework},
       booktitle = {TPCTC},
       year = {2012},
       pages = {92--107},
       url = {http://dx.doi.org/10.1007/978-3-642-36727-4_7}
    }

  • KISS-Tree: smart latch-free in-memory indexing on modern architectures.

    Lehner, W.; Habich, D.; Schlegel, B.; Kissinger, T.

    In Proceedings of the Eighth International Workshop on Data Management on New Hardware, DaMoN 2012, Scottsdale, AZ, USA, May 21, 2012.Chen, Shimin & Harizopoulos, Stavros,16-23,2012.

    @article{,
       author = {Wolfgang Lehner and Dirk Habich and Benjamin Schlegel and Thomas Kissinger},
       title = {KISS-Tree: smart latch-free in-memory indexing on modern architectures},
       booktitle = {Proceedings of the Eighth International Workshop on Data Management on New Hardware, DaMoN 2012, Scottsdale, AZ, USA, May 21, 2012},
       year = {2012},
       isbn = {978-1-4503-1445-9},
       pages = {16--23},
       url = {http://doi.acm.org/10.1145/2236584.2236587},
       publisher = {Chen, Shimin \& Harizopoulos, Stavros}
    }

  • Flexible Information Management, Exploration and Analysis in SAP HANA.

    Lehner, W.; Voigt, H.

    In DATA 2012 - Proceedings of the International Conference on Data Technologies and Applications, Rome, Italy, 25-27 July, 2012.Helfert, Markus; Francalanci, Chiara & Filipe, Joaquim,15-28,2012.

    @article{,
       author = {Wolfgang Lehner and Hannes Voigt},
       title = {Flexible Information Management, Exploration and Analysis in SAP HANA},
       booktitle = {DATA 2012 - Proceedings of the International Conference on Data Technologies and Applications, Rome, Italy, 25-27 July, 2012},
       year = {2012},
       isbn = {978-989-8565-18-1},
       pages = {15--28},
       publisher = {Helfert, Markus; Francalanci, Chiara \& Filipe, Joaquim}
    }

  • F2DB: The Flash-Forward Database System.

    Lehner, W.; Rosenthal, F.; Fischer, U.

    In IEEE 28th International Conference on Data Engineering (ICDE 2012), Washington, DC, USA (Arlington, Virginia), 1-5 April, 2012.Kementsietsidis, Anastasios & Salles, Marcos Antonio Vaz,1245-1248,2012.

    @article{,
       author = {Wolfgang Lehner and Frank Rosenthal and Ulrike Fischer},
       title = {F2DB: The Flash-Forward Database System},
       booktitle = {IEEE 28th International Conference on Data Engineering (ICDE 2012), Washington, DC, USA (Arlington, Virginia), 1-5 April, 2012},
       year = {2012},
       isbn = {978-0-7695-4747-3},
       pages = {1245--1248},
       url = {http://dx.doi.org/10.1109/ICDE.2012.117},
       publisher = {Kementsietsidis, Anastasios \& Salles, Marcos Antonio Vaz}
    }

  • Efficient transaction processing in SAP HANA database: the end of a column store myth.

    Lehner, W.

    In Proceedings of the ACM SIGMOD International Conference on Management of Data, SIGMOD 2012, Scottsdale, AZ, USA, May 20-24, 2012.Candan, K. Selçcuk; Chen, Yi; Snodgrass, Richard T.; Gravano, Luis & Fuxman, Ariel,731-742,2012.

    @article{,
       author = {Wolfgang Lehner},
       title = {Efficient transaction processing in SAP HANA database: the end of a column store myth},
       booktitle = {Proceedings of the ACM SIGMOD International Conference on Management of Data, SIGMOD 2012, Scottsdale, AZ, USA, May 20-24, 2012},
       year = {2012},
       isbn = {978-1-4503-1247-9},
       pages = {731--742},
       url = {http://doi.acm.org/10.1145/2213836.2213946},
       publisher = {Candan, K. Selçcuk; Chen, Yi; Snodgrass, Richard T.; Gravano, Luis \& Fuxman, Ariel}
    }

  • Efficient Integration of External Information into Forecast Models from the Energy Domain.

    Lehner, W.; Böhm,