• Research Papers 2016

       JKVL16  

      Tobias Jäkel, Thomas Kühn, Hannes Voigt, Wolfgang Lehner: Towards a Role-based Contextual Database. 20th East-European Conference on Advances in Database and Information Systems (ADBIS), 2016, Praha, CZ.


       JWHVL16  

      Tobias Jäkel, Martin Weißbach, Kai Herrmann, Hannes Voigt, Max Leuthäuser: Position paper: Runtime Model for Role-based Software Systems. Models@run.time Workshop, 2016, Würzburg, Germany.


       K16  

      Tomas Karnagel: Heterogeneous Query Optimization; PhD Workshop, VLDB 2016, September 5 - 10, New Deli, India


       KHL16a  

      Tomas Karnagel, Dirk Habich, Wolfgang Lehner: Limitations of Intra-Operator Parallelism using Heterogeneous Computing Resources; In Proceedings of 20th East-European Conference on Advances in Database and Information Systems (ADBIS), 2016, Praha, CZ.


       HKALSFL16  

      Sebastian Haas, Tomas Karnagel, Oliver Arnold, Erik Laux, Benjamin Schlegel, Gerhard Fettweis, Wolfgang Lehner: HW/SW-Database-CoDesign for Compressed Bitmap Index Processing; 2016 IEEE 27th International Conference on Application-specific Systems, Architectures and Processors (ASAP), Jul 6th-8th 2016, London, UK


       WKKHL16  

      Matthias Werner, Till Kolditz, Tomas Karnagel, Dirk Habich, Wolfgang Lehner: Multi-GPU Approximation Methods for Silent Data Corruption of AN Codes. In 12th International Workshop on Boolean Problems (IWSBP), September 22-23, 2016, Freiberg, Germany. [pdf] [bibtex]


       Orch16  

      Völp, M.; Klüppelholz, S.; Castrillon, J.; Härtig, H.; Asmussen, N.; Assmann, U.; Baader, F.; Baier, C.; Fettweis, G.; Frölich, 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.; Nöthen, B.; Peñaloza, R.; Raitza, M.; Stiller, J.; Ungethüm, A.; Voigt, A.: The Orchestration Stack: The Impossible Task of Designing Software for Unknown Future Post-CMOS Hardware, In Proceeding: 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.


       OBLL16  

      Ismail Oukid, Daniel Booss, Adrien Lespinasse, and Wolfgang Lehner. 2016. On testing persistent-memory-based software. In Proceedings of the 12th International Workshop on Data Management on New Hardware (DaMoN '16). ACM, New York, NY, USA. [pdf]


       OLNWL16  

      Ismail Oukid, Johan Lasperas, Anisoara Nica, Thomas Willhalm, and Wolfgang Lehner. 2016. FPTree: A Hybrid SCM-DRAM Persistent and Concurrent B-Tree for Storage Class Memory. In Proceedings of the 2016 International Conference on Management of Data (SIGMOD '16). ACM, New York, NY, USA, 371-386. [pdf]


       KHL16b  

      L. Kegel, M. Hahmann, W. Lehner: Template-based Time series generation with Loom. In: Proceedings of the 5th Workshop on Energy Data Management (EnDM 2016, 19th International Conference on Extending Database Technology, Bordeaux, France), 2016. [pdf] [bibtex]


  • Research Papers 2015

       KHKLF15  

      Kolditz, T., Habich, D., Kuvaiskii, D., Lehner, W., & Fetzer, C. (2015). Needles in the Haystack — Tackling Bit Flips in Lightweight Compressed Data. In Data Management Technologies and Applications (pp. 135-153). Springer International Publishing. [pdf] [bibtex]


       PHLPT15  

      Kasun S. Perera, Martin Hahmann, Wolfgang Lehner, Torben Bach Pedersen, Christian Thomsen: Modeling Large Time Series for Efficient Approximate Query Processing. 3rd International Workshop on Big Data Management and Systems, Database Systems for Advanced Applications 2015 [pdf]


       JKHVL15  

      Tobias Jäkel, Thomas Kühn, Stefan Hinkel, Hannes Voigt, Wolfgang Lehner: Relationships for Dynamic Data Types in RSQL. Datenbanksysteme für Business, Technologie und Web (BTW), 2015, Hamburg, Germany. [pdf] [bibtex


       VHL15  

      Hannes Voigt, Alfred Hanisch, Wolfgang Lehner: Flexs - A Logical Model for Physical Data Layout. New Trends in Database and Information Systems II, vol. 312, 2015. [pdf] [bibtex]


       OLKWB15  

      Ismail Oukid, Wolfgang Lehner, Thomas Kissinger, Thomas Willhalm, Peter Bumbulis. Instant Recovery for Main-Memory Databases. In: Seventh Biennial Conference on Innovative Data Systems Research, CIDR 2015, Asilomar, California, USA, January 4-7, 2014. [pdf]


       F15  

      Ulrike Fischer: Forecasting in Database Systems; In Proceedings der 16. GI-Fachtagung für Datenbanksysteme in Business, Technology und Web (BTW 2015, Hamburg, Germany), 2015.


       PLB15  

      Marcus Paradies, Wolfgang Lehner, Christof Bornhövd: GRAPHITE: An Extensible Graph Traversal Framework for Relational Database Management Systems. SSDBM'15, 2015, San Diego, US. [pdf


       VTML15  

      Elena Vasilyeva, Maik Thiele, Adrian Mocan, and Wolfgang Lehner: Relaxation of subgraph queries delivering empty results. In Proceedings of the 27th International Conference on Scientific and Statistical Database Management (SSDBM '15), ACM, New York, NY, USA.


       ETBL15a  

      Julian Eberius, Maik Thiele, Katrin Braunschweig and Wolfgang Lehner: DrillBeyond: Processing Multi-Result Open World SQL Queries. SSDBM 2015, San Diego, USA. [pdf]


       ETBL15b  

      Julian Eberius, Maik Thiele, Katrin Braunschweig and Wolfgang Lehner: Top-K Entity Augmentation using Consistent Set Covering. SSDBM 2015, San Diego, USA. [pdf]


       HKHL15  

      Carl-Philip Haensch, Thomas Kissinger, Dirk Habich, Wolfgang Lehner: Plan Operator Specialization using Reflective Compiler Techniques. In BTW 2015


       WRP15  

      Max Wildemann, Michael Rudolf, Marcus Paradies. The Time Has Come: Traversal and Reachability in Time-Varying Graphs. In: Big-O(Q) 2015, August 30, 2015, Hawai'i, USA.


       KHL15  

      Tomas Karnagel, Dirk Habich, Wolfgang Lehner. Local vs. Global Optimization: Operator Placement Strategies in Heterogeneous Environments. In: First International Workshop on Data (Co)Processing on Heterogeneous Hardware (DAPHNE 2015), March 27, 2015, Brussels Brussels, Belgium


       UHKLAVNF15  

      Annett Ungethuem, Dirk Habich, Tomas Karnagel, Wolfgang Lehner, Nils Asmussen, Marcus Voelp, Benedikt Noethen, Gerhard Fettweis. Query Processing on Low-Energy Many-Core Processors. In: International Workshop on Big Data Management on Emerging Hardware (HardBD 2015), ICDE, April 13, 2015, Seoul, Korea


       VKANS15  

      Marcus Voelp, Tomas Karnagel, Oliver Arnold, Benedikt Noethen, Benjamin Schlegel.Method and Device for Preselecting, Filtering and Distributing Data in Database Management Systems. Patent, 2015


       HHRKL15  

      Claudio Hartmann, Martin Hahmann, Frank Rosenthal, Thomas Kirsche, Wolfgang Lehner: Aktuellen Zuständen von Märkten auf der Spur: Analyseinstrumente zur Erfassung dynamischer Marktdaten. 50. Kongress der Deutschen Marktforschung, 2015, Berlin, Germany, Best Paper Award


       VTBL15  

      Elena Vasilyeva, Maik Thiele, Christof Bornhövd, Wolfgang Lehner. Answering "Why Empty?" and "Why So Many?" Queries in Graph Databases, Journal of Computer and System Sciences (2015). DOI=10.1016/j.jcss.2015.06.007 http://dx.doi.org/10.1016/j.jcss.2015.06.007


       PVLM15  

      Marcus Paradies, Elena Vasilyeva, Adrian Mocan, Wolfgang Lehner. Robust Cardinality Estimation for Subgraph Isomorphism Queries on Property Graphs. Big-O(Q) 2015 (co-located with VLDB 2015), Kohala Coast, Hawaii, USA, August 31 - September 4, 2015.


       KSHL15  

      Till Kolditz, Benjamin Schlegel, Dirk Habich, Wolfgang Lehner: Online Bit Flip Detection for In-Memory B-Trees Live!. In: Proceedings of Datenbanksysteme für Business, Technologie und Web (BTW), 16. Fachtagung des GI-Fachbereichs "Datenbanken und Informationssysteme" (DBIS), 4.-6.3.2015 in Hamburg, Germany. [pdf] [bibtex]


       KHDLKOF15  

      Till Kolditz, Dirk Habich, Patrick Damme, Wolfgang Lehner, Dmitrii Kuvaiskii, Oleksii Oleksenko, Christof Fetzer: Resiliency-Aware Data Compression for In-Memory Database Systems. In: Proceedings of the Fourth International Conference on Data Management Technologies and Applications, DATA 2015, July 20-22, Colmar, Alsace, France. [pdf] [bibtex]


       HVBL15  

      Kai Herrmann, Hannes Voigt, Andreas Behrend, Wolfgang Lehner: CoDEL - A Relationally Complete Language for Database Evolution. ADBIS 2015, Futuroscope, Poitiers, France [pdf] [bibtex]


       HRV+15  

      Kai Herrmann, Jan Reimann, Hannes Voigt, Birgit Demuth, Stefan Fromm, Robert Stelzmann, Wolfgang Lehner: Database Evolution for Software Product Lines. DATA 2015, Colmar, France [pdf] [bibtex]


       HHRL15  

      Claudio Hartmann, Martin Hahmann, Frank Rosenthal, Wolfgang Lehner:Exploiting Big Data in Time Series Forecasting: A Cross-Sectional Approach. 2015 IEEE International Conference on Data Science and Advanced Analytics, DSAA’2015, Paris, France


       VDL15  

      Hannes Voigt, Patrick Damme, Wolfgang Lehner: Enjoy FRDM - Play with a schema-flexible RDBMS. 31st IEEE International Conference on Data Engineering (ICDE), Seoul, South Korea, April 13-17, 2015. [pdf] [bibtex]


  • Research Papers 2014

       AHFSKKL14  

      Oliver Arnold, Sebastian Haas, Gerhard Fettweis, Benjaming Schlegel, Thomas Kissinger, Tomas Karnagel, Wolfgang Lehner: HASHI: An Application Specific Instruction Set Extension for Hashing, In International Workshop on Accelerating Data Management Systems Using Modern Processor and Storage Architectures, ADMS 2014


       KKSHML14b  

      Thomas Kissinger, Tim Kiefer, Benjamin Schlegel, Dirk Habich, Daniel Molka, Wolfgang Lehner: ERIS: A NUMA-Aware In-Memory Storage Engine for Analytical Workloads, In International Workshop on Accelerating Data Management Systems Using Modern Processor and Storage Architectures, ADMS 2014


       VL14  

      Hannes Voigt, Wolfgang Lehner: Flexible Relational Data Model - A Common Ground for Schema-Flexible Database Systems. Advances in Databases and Information Systems - 18th East European Conference, ADBIS 2014, Ohrid, Macedonia, September 7-10, 2014. [pdf] [bibtex]


       RVBL14  

      Michael Rudolf, Hannes Voigt, Christof Bornhövd, Wolfgang Lehner: SynopSys: Foundations for Multidimensional Graph Analytics. Business Intelligence for the Real-Time Enterprise (BIRTE 2014), September 1, Hangzhou, China, 2014. [pdf] [bibtex]


       JKVL14  

      Tobias Jäkel, Thomas Kühn, Hannes Voigt, Wolfgang Lehner: RSQL - A Query Language for Dynamic Data Types. Proceedings of the 18th International Database Engineering & Applications Symposium (IDEAS '14), 2014, Porto, Portugal. [pdf] [bibtex]


       PRBL14  

      Marcus Paradies, Michael Rudolf, Christof Bornhövd and Wolfgang Lehner: GRATIN: Accelerating Graph Traversals in Main-Memory Column Stores. In: Second Workshop on Graph Data Management, Experiences and Systems (GRADES), 2014, Snowbird, UT, USA. [pdf] [slides]


       KKSHL14  

      Till Kolditz, Thomas Kissinger, Benjamin Schlegel, Dirk Habich, Wolfgang Lehner: Online bit flip detection for in-memory B-trees on unreliable hardware. In: Proceedings of the Tenth International Workshop on Data Management on New Hardware, SIGMOD 2014, June 23, Snowbird, Utah, USA. [pdf] [extended] [bibtex]


       AHFSKL14  

      Oliver Arnold, Sebastian Haas, Gerhard Fettweis, Benjamin Schlegel, Thomas Kissinger, Wolfgang Lehner: An Application-Specific Instruction Set for Accelerating Set-Oriented Database Primitives. In: International Conference on Management of Data, SIGMOD 2014, Snowbird, UT, USA, June 22-27, 2014 [pdf] [bibtex]


       KKSHML14a  

      Tim Kiefer, Thomas Kissinger, Benjamin Schlegel, Dirk Habich, Daniel Molka, Wolfgang Lehner: ERIS Live: A NUMA-Aware In-Memory Storage Engine for Tera-Scale Multiprocessor Systems (Demo). In: International Conference on Management of Data, SIGMOD 2014, Snowbird, UT, USA, June 22-27, 2014 [pdf] [bibtex]


       PKPILTAL14  

      Iraklis Psaroudakis (EPFL), Thomas Kissinger (TU Dresden), Danica Porobic (EPFL), Thomas Ilsche (TU Dresden), Erietta Liarou (EPFL), Pinar Tözün (EPFL), Anastasia Ailamaki (EPFL), Wolfgang Lehner (TU Dresden): Dynamic Fine-Grained Scheduling for Energy-Efficient Main-Memory Queries. In: Proceedings of the Tenth International Workshop on Data Management on New Hardware, DaMoN 2014, Snowbird, Utah, USA. [pdf] [bibtex]


       HVL14  

      Kai Herrmann, Hannes Voigt, and Wolfgang Lehner, “Online Horizontal Partitioning of Heterogeneous Data,” it - Information Technology, vol. 56, no. 1, 2014. [bibtex]


       HVL14a  

      Kai Herrmann, Hannes Voigt, and Wolfgang Lehner, “Cinderella -- Adaptive Online Partitioning of Irregularly Structured Data,” in 9th International Workshop on Self-Managing Database Systems (SMDB 2014), Chicago, IL, USA, 2014. [pdf] [bibtex]


       KSHL14  

      Tim Kiefer, Hendrik Schön, Dirk Habich, and Wolfgang Lehner: A Query, a Minute: Evaluating Performance Isolation in Cloud Databases. In: Proceedings of the TPC Technology Conference, TPCTC 2014, Hangzhou, China.


       OBLBW14  

      Ismail Oukid, Daniel Booss, Wolfgang Lehner, Peter Bumbulis, Thomas Willhalm. SOFORT: A Hybrid SCM-DRAM Storage Engine For Fast Data Recovery. In: Tenth International Workshop on Data Management on New Hardware, DaMoN @ SIGMOD 2014, Snowbird, USA, June 22-27, 2014. [acm] [pdf]


       KHSL14  

      Tomas Karnagel, Dirk Habich, Benjamin Schlegel, Wolfgang Lehner: Heterogeneity-Aware Operator Placement in Column-Store DBMS. Datenbank-Spektrum, September 2014.


       KHLHLHM14  

      Tomas Karnagel, Matthias Hille, Mario Ludwig, Dirk Habich, Wolfgang Lehner, Max Heimel, Volker Markl: Demonstrating Efficient Query Processing in Heterogeneous Environments. In Proceedings of the 2014 ACM SIGMOD (Demo Track), June 22-27, 2014, Snowbird, Utah, USA


       KDRLLSL14  

      Tomas Karnagel, Roman Dementiev, Ravi Rajwar, Konrad Lai, Thomas Legler, Benjamin Schlegel, Wolfgang Lehner: Improving In-Memory Database Index Performance with Intel TSX. In Proceedings of the 20th IEEE International Symposium On High Performance Computer Architecture (HPCA-2014), February 15-19, 2014, Orlando, Florida, USA.


       VTBL14a  

      Elena Vasilyeva, Maik Thiele, Christof Bornhövd, Wolfgang Lehner: GraphMCS: Discover the Unknown in Large Data Graphs. EDBT/ICDT Workshops: 200-207.


       VTBL14b  

      Elena Vasilyeva, Maik Thiele, Christof Bornhövd, Wolfgang Lehner: Top-k Differential Queries in Graph Databases. Appears in: Advances in Databases and Information Systems - 18th East European Conference, ADBIS 2014, Ohrid, Republic of Macedonia, September 7-10, 2014.


       F14  

      Ulrike Fischer: Zeitreihenprognose in relationalen Datenbanksystemen; In: Lecture Notes in Informatics (LNI) - Dissertations, 14:21-30, 2014.


       UFK+14  

      Robert Ulbricht, Ulrike Fischer, Lars Kegel, Dirk Habich, Wolfgang Lehner, Hilko Donker: ECAST: A Benchmark Framework for Renewable Energy Forecasting Systems; In: Proceedings of the 3rd Workshop on Energy Demand Management (EnDM 2014, 17th International Conference on Extending Database Technology (EDBT 2014), Athens, Greece), 2014.


       FL14  

      Ulrike Fischer and Wolfgang Lehner: Transparent Forecasting Strategies in Database Management Systems; In: Business Intelligence, Springer Berlin Heidelberg, 2014.


  • Research Papers 2013

       J13  

      Tobias Jäkel: The Role Concept for Relational Database Management Systems. Workshop Proceedings of the 32nd International Conference on Conceptual Modeling (ER 2013), 2013, Hong Kong, China. [pdf] [bibtex]


       KSL13  

      Tim Kiefer; Benjamin Schlegel; Wolfgang Lehner: Experimental Evaluation of NUMA-Effects on Database Management Systems. In: Proceedings der 15. GI-Fachtagung für Datenbanksysteme in Business, Technology und Web (BTW 2013, March 11-15, Magdeburg, Germany), 2013. [pdf] [bibtex]


       KSHL13  

      Thomas Kissinger, Benjamin Schlegel, Dirk Habich, Wolfgang Lehner: QPPT: Query Processing on Prefix Trees. In: Proceedings of the 6th Biennial Conference on Innovative Data Systems Research (CIDR 2013, Asilomar, California, USA). [pdf] [bibtex]


       JVKL13  

      Tobias Jäkel, Hannes Voigt, Thomas Kissinger, Wolfgang Lehner: Pack Indexing for Time-Constrained In-Memory QueryProcessing. In: Proceedings der 15. GI-Fachtagung für Datenbanksysteme in Business, Technology und Web (BTW 2013, March 11-15, Magdeburg, Germany), 2013. [pdf] [bibtex]


       FDS+13  

      Ulrike Fischer, Lars Dannecker, Laurynas Siksnys, Frank Rosenthal, Matthias Boehm, Wolfgang Lehner: Towards Integrated Data Analytics: Time Series Forecasting in DBMS; In: Datenbank-Spektrum, 13(1):45-53, 2013. [pdf] [bibtex]


       ETBL13  

      Julian Eberius, Maik Thiele, Katrin Braunschweig, Wolfgang Lehner: DrillBeyond: Open-World SQL Queries Using Web Tables. In: Proceedings der 15. GI-Fachtagung für Datenbanksysteme in Business, Technology und Web (BTW 2013, March 11-15, Magdeburg, Germany), pages 523-526, 2013. [pdf] [bibtex]


       EWTBDL13  

      Julian Eberius, Christoper Werner, Maik Thiele, Katrin Braunschweig, Lars Dannecker, and Wolfgang Lehner: DeExcelerator: A Framework for Extracting Relational Data from Partially Structured Documents. In Proceedings of the 22nd ACM International Conference on Conference on Information & Knowledge Management (CIKM '13), pages 2477-2480, 2013. [pdf] [bibtex]


       EDBTL13  

      Julian Eberius, Patrick Damme, Katrin Braunschweig, Maik Thiele, and Wolfgang Lehner: Publish-Time Data Integration for Open Data Platforms. In Proceedings of the 2nd International Workshop on Open Data (WOD '13), Paris, France.  [pdf] [bibtex]


       BTEL13  

      Katrin Braunschweig, Maik Thiele, Julian Eberius, Wolfgang Lehner: Enhancing Named Entity Extraction by Effectively Incorporating the Crowd. In Proceedings of BTW-Workshops 2013 (March 11-15, Magdeburg, Germany), pages 181-195, 2013. [pdf] [bibtex]


       FSHL13  

      Ulrike Fischer, Christopher Schildt, Claudio Hartmann, Wolfgang Lehner: Forecasting the Data Cube: A Model Configuration Advisor for Multi-Dimensional Data Sets. Appears In: Proceedings of the 29th International Conference on Data Engineering (ICDE 2013, Brisbane, Australia), 2013. [bibtex]


       UFLD13  

      Robert Ulbricht, Ulrike Fischer, Wolfgang Lehner, Hilko Donker: Rethinking Energy Data Management: Trends and Challenges in Today's Transforming Markets. Appears In: Proceedings der 15. GI-Fachtagung für Datenbanksysteme in Business, Technology und Web (BTW 2013, March 11-15, Magdeburg, Germany), 2013. [pdf] [bibtex]


       UFLD13b  

      Robert Ulbricht, Ulrike Fischer, Wolfgang Lehner, Hilko Donker: Optimized Renewable Energy Forecasting in Local Distribution Networks. Appears In: Proceedings of the 2nd Workshop on Energy Demand Management (EnDM 2013, 16th International Conference on Extending Database Technology (EDBT 2013), Genoa, Italy), 2013. [bibtex]


       RPBL13  

      Michael Rudolf, Marcus Paradies, Christof Bornhövd, Wolfgang Lehner: The Graph Story of the SAP HANA Database. In: Proceedings der 15. GI-Fachtagung für Datenbanksysteme in Business, Technology und Web (BTW 2013, March 11-15, Magdeburg, Germany), 2013. [pdf] [bibtex]


       KSHL13a  

      Karnagel, T.; Schlegel, B.; Habich, D.; Lehner, W.: Stream Join Processing on Heterogeneous Processors. In: Proceedings of BTW-Workshops 2013, Data Streams and Event Processing (DSEP) (March 11-15, Magdeburg, Germany), pages 17-26, 2013. [pdf] [bibtex]


       KL13  

      Alfons Kemper, Wolfgang Lehner: Dr. Dean Jacobs. In: Datenbank-Spektrum 13(1): 71-72, 2013. [pdf] [bibtex]


       LS13  

      Wolfgang Lehner, Sunita Sarawagi: Special issue on best papers of VLDB 2011. In: VLDB Journal 22(1): 1-2, 2013. [pdf] [bibtex]


       RPBL13a  

      Michael Rudolf, Marcus Paradies, Christof Bornhövd and Wolfgang Lehner: SynopSys: Large Graph Analytics in the SAP HANA Database Through Summarization. In: First Workshop on Graph Data Management, Experiences and Systems (GRADES), 2013, New York City, NY, USA. [pdf]


       KSHL13b  

      Thomas Kissinger, Benjamin Schlegel, Dirk Habich, Wolfgang Lehner: Query Processing on Prefix Trees Live (Demo). In: Proceedings of the ACM SIGMOD International Conference on Management of Data, SIGMOD 2013, New York, NY, USA.


       MKHL13  

      Lukas M. Maas, Thomas Kissinger, Dirk Habich, Wolfgang Lehner: BUZZARD: A NUMA-Aware In-Memory Indexing System. In: Proceedings of the ACM SIGMOD International Conference on Management of Data, SIGMOD 2013, New York, NY, USA.


       L13  

      Wolfgang Lehner: Energy-efficient in-memory database computing.DATE 2013: 470-474


       VKL13  

      Hannes Voigt, Thomas Kissinger, Wolfgang Lehner: SMIX – Self-Managing Indexes for Dynamic Workloads. In: 25th International Conference on Scientific and Statistical Database Management (SSDBM 2013, Baltimore, Maryland, USA), 2013. [pdf] [bibtex]


       VTBL13  

      Elena Vasilyeva, Maik Thiele, Christof Bornhövd, Wolfgang Lehner: Leveraging Flexible Data Management with Graph Databases. In 1st Workshop on Graph Data management Experiences and Systems, SIGMOD, New York, USA, June 23, 2013.


       DRF+14  

      Lars Dannecker, Philipp Rösch, Ulrike Fischer, Gordon Gaumnitz, Wolfgang Lehner and Gregor Hackenbroich: pEDM: Online-Forecasting for Smart Energy Analytics; In Proceedings of the 22nd ACM International Conference on Information and Knowledge Management (CIKM 2013, San Francisco, CA, USA), 2013.


       UFL+13  

      Robert Ulbricht, Ulrike Fischer, Wolfgang Lehner and Hilko Donker: First Steps Towards a Systematical Optimized Strategy for Solar Energy Supply Forecasting; In Proceedings of the 1st Workshop on Data Analytics for Renewable Energy Integration (DARE 2013, European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases (ECML PKDD 2013), Prague, Czech Republic), 2013.


       SKKL13  

      Benjamin Schlegel, Tomas Karnagel, Tim Kiefer, Wolfgang Lehner. Scalable Frequent Itemset Mining on Many-core Processors. In Proceedings of the Ninth International Workshop on Data Management on New Hardware (DaMoN 2013), June 24, 2013, New York, New York, USA


       KHSL13c  

      Tomas Karnagel, Dirk Habich, Benjamin Schlegel, Wolfgang Lehner. The HELLS-Join: A Heterogeneous Stream join for ExtremeLy Large windows. In Proceedings of the Ninth International Workshop on Data Management on New Hardware (DaMoN 2013), June 24, 2013, New York, New York, USA


  • Research Papers 2012

       KSL12  

      Tim Kiefer, Benjamin Schlegel and Wolfgang Lehner: MulTe: A Multi-Tenancy Database Benchmark Framework. In: Proceedings of the TPC Technology Conference, TPCTC 2012, Istanbul, Turkey. [pdf] [bibtex]


       ETBL12  

      Julian Eberius, Katrin Braunschweig, Maik Thiele and Wolfgang Lehner: DrillBeyond: Enabling Business Analysts to Explore the Web of Open Data (Demo). In: Proceedings of the VLDB Endowment Volume 5, VLDB 2012, Istanbul, Turkey. [pdf] [bibtex]


       BDD+12  

      M. Boehm, L. Dannecker, A. Doms, E. Dovgan, B. Filipic, U. Fischer, W. Lehner, T. B. Pedersen, Y. Pitarch, L. Siksnys, T. Tusar: Data Management in the MIRABEL Smart Grid System. Appears In: Proceedings of the 1st Workshop on Energy Demand Management (EnDM 2012, 15th International Conference on Extending Database Technology (EDBT 2012), Berlin, Germany), 2012. [pdf] [bibtex]


       BETL12a  

      Katrin Braunschweig, Julian Eberius, Maik Thiele and Wolfgang Lehner: Frontiers in Crowdsourced Data Integration. In: it - Information Technology Volume 54(3). [pdf] [bibtex]


       BETL12  

      Katrin Braunschweig, Julian Eberius, Maik Thiele and Wolfgang Lehner: OPEN - Enabling Non-expert Users to Extract, Integrate, and Analyze Open Data. In: Datenbank-Spektrum Volume 12(2). [pdf] [bibtex]


       ETBL12a  

      Julian Eberius, Katrin Braunschweig, Maik Thiele and Wolfgang Lehner: Identifying And Weighting Integration Hypotheses On Open Data Platforms. In: Proceedings of the first International Workshop On Open Data, WOD 2012, Nantes, France. [pdf] [bibtex]


       FRL12  

      U. Fischer, F. Rosenthal, W. Lehner: F2DB: The Flash-Forward Database System (Demo). Appears In: Proceedings of the 28th International Conference on Data Engineering (ICDE 2012, Washington, USA), 2012. [pdf] [bibtex]


       KVL12  

      T. Kissinger, H. Voigt, W. Lehner: SMIX Live – A Self-Managing Index Infrastructure for Dynamic Workloads (Demo). In: Proceedings of the 28th International Conference on Data Engineering (ICDE 2012, Washington, USA), 2012. [pdf] [bibtex]


       VJKL12  

      H. Voigt, T. Jäkel, T. Kissinger, W. Lehner: Adaptive Index Buffer. In: 7th International Workshop on Self-Managing Database Systems (SMDB 2012, Washington, USA), 2012. [pdf] [bibtex]


       BKL+12  

      C. Bornhoevd, R. Kubis, W. Lehner, H. Voigt, H. Werner. Flexible Information Management, Exploration, and Analysis in SAP HANA. In: International Conference on Data Technologies and Applications (DATA 2012, Rome, Itally), 2012. [bibtex]


       KHL12  

      Thomas Kissinger, Dirk Habich, Wolfgang Lehner: Direct Stream and Query Processing for Live Sensor Data Analytics. Design Automation and Test in Europe (DATE´12), Dresden, Germany, 2012. [bibtex]


       KSHL12  

      Thomas Kissinger, Benjamin Schlegel, Dirk Habich, Wolfgang Lehner: KISS-Tree: Smart Latch-Free In-Memory Indexing on Modern Architectures. In: Proceedings of the Eighth International Workshop on Data Management on New Hardware (DaMoN 2012), Scottsdale, AZ, USA. [pdf] [bibtex]


       GDH12  

      Benjamin Gnauk, Lars Dannecker, Martin Hahmann: Leveraging Gamification in Demand Dispatch Systems; In: Proceedings of the 1st Workshop on Energy Data Management (EnDM 2012, 15th International Conference on Extending Database Technology (EDBT 2012), Berlin, Germany), 2012. [pdf] [bibtex]


       DBL+12  

      Lars Dannecker, Matthias Boehm, Wolfgang Lehner, Gregor Hackenbroich: Partitioning and Multi-Core Parallelization of Multi-Equation Forecast Models; In: Proceedings of the 24th Scientific and Statistical Database Management Conference (SSDBM 2012, Chania, Crete, Greece), 2012. [pdf] [bibtex]


       DVB+12  

      Lars Dannecker, Elena Vasilyeva, Matthias Boehm, Wolfgang Lehner, Gregor Hackenbroich: Efficient Integration of External Information into Forecast Models from the Energy Domain; Appears In: Proceedings of the 16th East-European Conference on Advances in Databases and Information Systems (ADBIS 2012, Poznan, Poland), To appear 2012. [pdf] [bibtex]


       KSBHL12  

      Thomas Kissinger, Benjamin Schlegel, Matthias Böhm, Dirk Habich, Wolfgang Lehner: A High-Throughput In-Memory Index, Durable on Flash-based SSD. In: SIGMOD Record, September 2012. [pdf] [bibtex]


       FRL12a  

      Ulrike Fischer, Frank Rosenthal, Wolfgang Lehner: Sample-Based Forecasting Exploiting Hierarchical Time Series. In: Proceedings of the 16th International Database Engineering and Applications Symposium (IDEAS 2012, Prague, Czech Republic), 2012. [pdf] [bibtex]


       FKK+12  

      U. Fischer, D. Kaulakiene, M. E. Khalefa, W. Lehner, T. B. Pedersen, L. Siksnys, C. Thomsen: Real-time Business Intelligence in the MIRABEL Smart Grid System. In: Proceedings of the 6th International Workshop on Business Intelligence for the Real-Time Enterprise (BIRTE 2012, Istanbul, Turkey), 2012. [pdf] [bibtex]


       KFBL12  

      M. E. Khalefa, U. Fischer, T. B. Pedersen, W. Lehner: Model-based Integration of Past & Future in TimeTravel (Demo). In: Proceedings of the 38th International Conference on Very Large Databases (VLDB 2012, Istanbul, Turkey), 2012. [pdf] [bibtex]


       FBLP12  

      U. Fischer, M. Boehm, W. Lehner, T. B. Pedersen: Optimizing Notifications of Subscription-Based Forecast Queries. In: Proceedings of the 24th Scientific and Statistical Database Management Conference (SSDBM 2012, Chania, Crete, Greece), 2012. [pdf] [bibtex]


       Lehn12  

      Wolfgang Lehner: Die Datenbankforschungsgruppe der Technischen Universität Dresden stellt sich vor. In: Datenbank-Spektrum 12(2): 141-144, 2012. [pdf] [bibtex]


       FML+12  

      Franz Färber, Norman May, Wolfgang Lehner, Philipp Große, Ingo Müller, Hannes Rauhe, Jonathan Dees: The SAP HANA Database - An Architecture Overview. In: IEEE Data Engineering Bulletin 35(1): 28-33, 2012. [pdf] [bibtex]


       LF12  

      Wolfgang Lehner, Michael J. Franklin: Special section on large-scale analytics. In: VLDB Journal 21(5): 587-588, 2012. [pdf] [bibtex]


       FNL12  

      Gerhard Fettweis, Wolfgang E. Nagel, Wolfgang Lehner: Pathways to servers of the future. In: Proceedings of the Design, Automation & Test in Europe Conference & Exhibition (DATE 2012, March 12-16, Dresden, Germany), pages 1161-1166, 2012. [pdf] [bibtex]


       SFL+12  

      Vishal Sikka, Franz Färber, Wolfgang Lehner, Sang Kyun Cha, Thomas Peh, Christof Bornhövd: Efficient transaction processing in SAP HANA database: the end of a column store myth. In: Proceedings of the 2012 ACM SIGMOD International Conference on Management of Data (SIGMOD 2012, Scottsdale, Arizona, USA), pages 731-742, 2012. [pdf] [bibtex]


       CDL12  

      Malú Castellanos, Umeshwar Dayal, Wolfgang Lehner (Eds.): Enabling Real-Time Business Intelligence - 5th International Workshop, BIRTE 2011, Held at the 37th International Conference on Very Large Databases, VLDB 2011, Seattle, WA, USA, September 2, 2011, Revised Selected Papers. Lecture Notes in Business Information Processing 126, Springer 2012, isbn 978-3-642-33499-3. [pdf] [bibtex]


  • Research Papers 2011

       TL11  

      Thiele M.; Lehner W.: Energy-aware Data Stream Management. Appears In: Proceeding of the 1st International Conference on Smart Grids, Green Communications and IT Energy-aware Technologies (ENERGY 2011) , May 2011, Venice, Italy. [pdf] [bibtex]


       BTL11  

      Braunschweig K.; Thiele M.; Lehner W.: A Flexible Graph-Based Data Model Supporting Incremental Schema Design and Evolution. Appears In: Web Engineering, 11th International Conference (ICWE 2011), Paphos, Cyprus, June 20-24, 2011. [pdf] [bibtex]


       ETL11  

      Eberius J.; Thiele M.; Lehner W.: A Domain-Specic Language for Do-It-Yourself Analytical Mashups. Appears In: Web Engineering, 11th International Conference (ICWE 2011), Paphos, Cyprus, June 20-24, 2011. [pdf] [bibtex]


       SGL11  

      Schlegel, B.; Gemulla, R.; Lehner, W.: Memory-Efficient Frequent-Itemset Mining. Appears In: 13th International Conference on Extending Database Technology (EDBT 2011), March 22-24, 2011, Uppsala, Sweden. [pdf] [bibtex]


       FBL11  

      U. Fischer, M. Böhm, W. Lehner: Offline Design Tuning for Hierarchies of Forecast Models; Appears In: Proceedings der 14. GI-Fachtagung für Datenbanksysteme in Business, Technology und Web (BTW 2011, February 28 - March 4 2011, Kaiserslautern, Germany), 2011. [pdf] [bibtex]


       BBV+11  

      M. Böhm, B. Schlegel, P. B. Volk, U. Fischer, D. Habich, W. Lehner: Efficient In-Memory Indexing with Generalized Prefix Trees; Appears In: Proceedings der 14. GI-Fachtagung für Datenbanksysteme in Business, Technology und Web (BTW 2011, February 28 - March 4 2011, Kaiserslautern, Germany), 2011. [pdf] [bibtex]


       BHP+11  

      M. Böhm, D. Habich, S.Preißler, W. Lehner, U. Wloka: Cost-Based Vectorization of Instance-Based Integration Processes (Extended); Appears In: Journal of Information Systems, Volume 36, Issue 1, 2011. [pdf] [bibtex]


       SWL11  

      Schlegel, B.; Willhalm, T.; Lehner, W.: Fast Sorted-Set Intersection using SIMD Instructions. In Proceedings of the Second International Workshop on Accelerating Data Management Systems Using Modern Processor and Storage Architectures (ADMS 2011), Septemper 1, 2011, Seattle, WA, USA. [bibtex]


       KL11  

      Kiefer, T.; Lehner, W.: Private Table Database Virtualization for DBaaS. In: Proceedings of the 4th International Conference on Utility and Cloud Computing, December 5-7, Melbourne, Australia, 2011. [pdf] [bibtex]


       DSB+11  

      Lars Dannecker, Robert Schulze, Matthias Böhm, Wolfgang Lehner, Gregor Hackenbroich: Context-Aware Parameter Estimation for Forecast Models in the Energy Domain; In: Proceedings of the 23rd Scientific and Statistical Database Management Conference (SSDBM 2011, Portland, OR, USA), 2011. [pdf] [bibtex]


       DBL+11  

      Lars Dannecker, Matthias Böhm, Wolfgang Lehner, Gregor Hackenbroich: Forcasting Evolving Time Series of Energy Demand and Supply; In: Proceedings of the 15th East-European Conference on Advances in Databases and Information Systems (ADBIS 2011, Vienna, Austria), 2011. [pdf] [bibtex]


       LLV+11  

      Peter Loos, Jens Lechtenbörger, Gottfried Vossen, Alexander Zeier, Jens Krüger, Jürgen Müller, Wolfgang Lehner, Donald Kossmann, Benjamin Fabian, Oliver Günther, Robert Winter: In-memory Databases in Business Information Systems. In: Business & Information Systems Engineering 3(6): 389-395, 2011. [pdf] [bibtex]


       GLW+11  

      Philipp Große, Wolfgang Lehner, Thomas Weichert, Franz Färber, Wen-Syan Li: Bridging Two Worlds with RICE Integrating R into the SAP In-Memory Computing Engine. In: VLDB Endowment 4(12): 1307-1317, 2011. [pdf] [bibtex]


       BLF11  

      Matthias Böhm, Wolfgang Lehner, Christof Fetzer: Resiliency-Aware Data Management. In: VLDB Endowment 4(12): 1462-1465, 2011. [pdf] [bibtex]


       FCP+11  

      Franz Färber, Sang Kyun Cha, Jürgen Primsch, Christof Bornhövd, Stefan Sigg, Wolfgang Lehner: SAP HANA database: data management for modern business applications. In: SIGMOD Record 40(4): 45-51, 2011. [pdf] [bibtex]


       JL11  

      Bernhard Jaecksch, Wolfgang Lehner: The Planning OLAP Model - A Multidimensional Model with Planning Support. In: Proceedings of the 13th International Conference on Data Warehousing and Knowledge Discovery (DaWaK 2011, August 29-September 2, Toulouse, France), pages 14-25, 2011. [pdf] [bibtex]


       JFRL11  

      Bernhard Jaecksch, Franz Faerber, Frank Rosenthal, Wolfgang Lehner: Hybrid Data-Flow Graphs for Procedural Domain-Specific Query Languages. In: Proceedings of the 23rd International Conference on Scientific and Statistical Database Management (SSDBM 2011, July 20-22, Portland, OR, USA), pages 577-578, 2011. [pdf] [bibtex]


       LP11  

      Wolfgang Lehner, Gunther Piller (Eds.): Innovative Unternehmensanwendungen mit In-Memory Data Management, IMDM 2011, 2. Dezember 2011, Mainz. LNI 193, GI 2011, isbn 978-3-88579-287-1. [pdf] [bibtex]


  • Research Papers 2010

       HHL+10  

      Hahmann, M.; Habich, D.; Lehner, W.: Evolving Ensemble-Clustering to a Feedback-Driven Process; Appears in Proceedings of the IEEE ICDM Workshop on Visual Analytics and Knowledge Discovery(VAKD 2010, December 14 - 17, Sydney, Australia), 2010. Long version [pdf] [bibtex]


       BBD+10  

      H. Berthold, M. Böhm, L. Dannecker, F.-J. Rumph, T. B. Pedersen, C. Nychtis, H. Frey, Z. Marinsek, B. Filipic, S. Tselepis: Exploiting renewables by request-based balancing of energy demand and supply; In: Proceedings of the 11th IAEE European Conference (IAEE 2010, August 25-28 2010, Vilnius, Lithuania), 2010. [pdf] [bibtex]


       VHKL10  

      Hannes Voigt, Kai Herrmann, Tim Kiefer, Wolfgang Lehner: Listen to the Customer – Model-Driven Database Design. In: Proceedings of the 14th International Database Engineering and Applications Symposium (IDEAS 2010, August 16-18, Montreal, Canada), 2010. [pdf] [bibtex]


       FRBL10  

      U. Fischer, F. Rosenthal, M. Böhm and W. Lehner: Indexing Forecast Models for Matching and Maintenance. In: Proceedings of the 14th International Database Engineering and Applications Symposium (IDEAS 2010, August 16-18, Montreal, Canada), 2010. [pdf] [bibtex]


       VHL10  

      Volk, P. B.; Habich, D.; Lehner, W.: GPU-Based Speculative Query Processing for Database Operations, Appears In: First International Workshop on Accelerating Data Management Systems Using Modern Processor and Storage Architectures In conjunction with VLDB 2010 (ADMS'10, September 13, Singapure), 2010. [pdf] [bibtex]


       KVL10  

      Kiefer, T.; Volk, P. B.; Lehner, W.: Pairwise Element Computation with MapReduce, Appears In: Proceedings of the First International Workshop on MapReduce and its Applications (MAPREDUCE'10, June 22nd, Chicago, Illinois, USA), 2010. [pdf] [bibtex]


       HLRA10  

      Habich, D.; Lehner, W.; Richly, S.; Assmann, U.: Using Cloud Technologies to Optimize Data-Intensive Service Applications, Appears In: Proceedings of the 2010 IEEE International Conference on Cloud Computing (CLOUD 2010, July 5 - 10, Miami, Florida, USA), 2010. [pdf] [bibtex]


       RPHG10  

      Richly, S.; Püschel, G.; Habich, D.; Götz, S.: MapReduce for Scalable Neural Nets Training; Appears In: Proceedings of the 2010 IEEE World Congress on Services (SERVICES 2010, July 5 - 10, Miami, Florida, USA), 2010. [pdf] [bibtex]


       SPHL10  

      Seidler, K.; Peukert, E.; Hackenbroich, G.; Lehner, W.: Approximate Query Answering and Result Refinement on XML Data; Appears in Proceedings of the 22th International Scientific and Statistical Database Management Conference (SSDBM 2010, June 30 - July 2, Heidelberg, Germany), 2010. Long version [pdf] [bibtex]


       HHL10  

      M. Hahmann, D. Habich and W. Lehner: Visual Decision Support for Ensemble-Clustering; Appears in Proceedings of the 22th International Scientific and Statistical Database Management Conference (SSDBM 2010, June 30 - July 2, Heidelberg, Germany), 2010. [pdf] [bibtex]


       HRD+10  

      D. Habich, S. Richly, B. Demuth, F. Gietl, J. Spilke, W. Lehner, U. Assmann: Joining Business Rules and Business Processes; Appears In: Proceedings of the 16th International Conference on Information and Software Technologies (IT 2010, April 21st - 23rd, Kaunas, Lithuania), 2010. [pdf] [bibtex]


       GSHL10  

      F. Gietl, J. Spilke, D. Habich, W. Lehner: Annotationsbasierte Prozessmodellierung in SOA - dargestellt an einem Beispiel aus dem Precision Dairy Farming; Tagungsband der GIL Jahrestagung (GIL 2010, 24.-25. Februar, Stuttgart, Germany), Seiten 73-76, 2010. [pdf] [bibtex]


       SGL10  

      Schlegel, B., Gemulla, R., and Lehner, W. 2010. Fast integer compression using SIMD instructions. In Proceedings of the Sixth international Workshop on Data Management on New Hardware (Indianapolis, Indiana, June 07 - 07, 2010). [pdf] [bibtex]


       PrHL10  

      S. Preißler, D. Habich, W. Lehner: Process-based Data-Streaming in Service-oriented Environments - Application and Technique; Appears In: Proceedings of the 12th International Conference on Enterprise Information Systems (ICEIS 2010), Funchal Madeira, Portugal, 2010. [bibtex]


       BHL10  

      M. Böhm, D. Habich, W. Lehner: Multi-Process Optimization via Horizontal Message Queue Partitioning; Appears In: Proceedings of the 12th International Conference on Enterprise Information Systems (ICEIS 2010, Funchal Madeira, Portugal), 2010. [pdf] [bibtex]


       MVL10  

      H. Mühle, H. Voigt, W. Lehner: Ein begriffsbasierter Ansatz zur semantischen Extraktion von Datenbankschemata. In: Enterprise Engineering meets Software Engineering (E2mSE), Paderborn, 2010. [pdf] [bibtex]


       FJL+10  

      Franz Färber, Bernhard Jäcksch, Christian Lemke, Philipp Große, Wolfgang Lehner: Hybride 
      Datenbankarchitekturen am Beispiel der neuen SAP In-Memory-Technologie. In: Datenbank-Spektrum 10(2): 81-92, 2010. [pdf] [bibtex]


       JLF10  

      Bernhard Jaecksch, Wolfgang Lehner, Franz Faerber: A plan for OLAP. In: Proceedings of the 13th International Conference on Extending Database Technology (EDBT 2010, Lausanne, Switzerland), pages 681-686, 2010. [pdf] [bibtex]


       SL10  

      Joachim Spilke, Wolfgang Lehner: Serviceorientierte Architekturen im Precision Dairy Farming (Vorwort). In: GI Jahrestagung (1) 2010: 141-142. [pdf] [bibtex]


       LS10  

      Wolfgang Lehner, Kai-Uwe Sattler: Database as a service (DBaaS). In: Proceedings of the 26th IEEE International Conference on Data Engineering (ICDE 2010, March 1-6, Long Beach, CA, USA), pages 1216-1217, 2010. [pdf] [bibtex]


       JFL10  

      Bernhard Jaecksch, Franz Faerber, Wolfgang Lehner: Cherry picking in database languages. In: Proceedings of the Fourteenth International Database Engineering & Applications Symposium (IDEAS 2010, Montreal, Quebec, Canada), pages 117-122, 2010. [pdf] [bibtex]


       PLP+10  

      Marcus Paradies, Christian Lemke, Hasso Plattner, Wolfgang Lehner, Kai-Uwe Sattler, Alexander Zeier, Jens Krüger: How to juggle columns: an entropy-based approach for table compression. In: Proceedings of the Fourteenth International Database Engineering & Applications Symposium (IDEAS 2010, Montreal, Quebec, Canada), pages 205-215, 2010. [pdf] [bibtex]


  • Research Papers 2009

       RFVL09  

      F. Rosenthal, U. Fischer, P.-B. Volk, W. Lehner: Global Slope Change Synopses for Measurement Maps. Appears In: Proceedings of the 9th International Conference on Data Mining (ICDM2009), Miami, USA, 2009. [pdf] [bibtex]


       LLSK09  

      T. Legler, W. Lehner, J. Schaffner, J. Krüger: Robust and Distributed Top-N Frequent-Pattern Mining With SAP BW Accelerator. Appears In: Proceedings of the 35th ACM International Conference on Very Large Data Bases, VLDB'09, Lyon, France, August 24), 2009. [pdf] [bibtex]


       TKL09  

      M. Thiele, T. Kiefer, W. Lehner: Cardinality Estimation in ETL Processes. Appears In: Proceedings of the 12th ACM international workshop on Data warehousing and OLAP, DOLAP'09, Hongkong, China, November 6), 2009. [pdf] [bibtex]


       TL09  

      M. Thiele, W. Lehner: Evaluation of Load Scheduling Strategies for Real-Time Data Warehouse Environments. Appears in: Proceedings of the 3rd International Workshop on Business Intelligence for the Real-Time Enterprise, BIRTE 2009, Lyon, France, August 24, 2009. [pdf] [bibtex]


       VPBL09  

      Voigt, H.; Preißler, S.; Böhm, M.; Lehner, W.: Anfragegetriebene Indizierung räumlicher Daten; Appears In: Verwaltung, Analyse und Bereitstellung kontextbasierter Informationen (INFORMATIK 2009, GI Workshop, 28.09.-02.10., Lübeck, Germany), 2009. [pdf] [bibtex]


       RöLe09b  

      Rösch, P., Lehner, W.: Sample Footprints für Data-Warehouse-Datenbanken. Appears In: Computer Science - Research and Development, 2009. [pdf] [bibtex]


       HVR+09  

      M. Hahmann, P.-B. Volk, F. Rosenthal, D. Habich, W. Lehner: How to Control Clustering Results?- Flexible Clustering Aggregation. Appears In: Proceedings of the 8th International Symposium on Intelligent Data Analysis (IDA 2009, 31th August - 2nd September, Lyon, France), 2009. [pdf] [bibtex]


       SGL09  

      Schlegel, B.; Gemulla, R.; Lehner, W.: k-Ary Search on Modern Processors; In Proceedings of the Fifth International Workshop on Data Management on New Hardware (DaMoN 2009), June 28, 2009, Providence, Rhode Island, USA. [pdf] [bibtex]


       BHP+09b  

      Böhm, M.; Habich, D.; Preißler, S.; Lehner, W.; Wloka, U.: Cost-Based Vectorization of Instance-Based Integration Processes; Appears In: Proceedings of the 13th East-European Conference on Advances in Databases and Information Systems (ADBIS 2009, 7-10 September 2009, Riga, Latvia), 2009. [pdf] [bibtex]


       TBL09a  

      M. Thiele, A. Bader, W. Lehner: Multi-Objective Scheduling for Real-Time Data Warehouses. In Proceedings der 12. GI-Fachtagung für Datenbanksysteme in Business, Technology und Web (BTW’09, Münster), 2009. [pdf] [bibtex]


       TBL09b  

      M. Thiele, A. Bader, W. Lehner: Multi-Objective Scheduling for Real-Time Data Warehouses (Extended Version). In Computer Science - Research and Development, Volume 24, Issue 3, 2009, Page 137. [pdf] [bibtex]


       PHL09  

      S. Preissler, D. Habich, W. Lehner: Standing Processes in Service-oriented Environments. Appears In: Proceedings of the 2009 IEEE Congress on Services (SERVICES 2009, 7-10 July 2009, Los Angeles, CA, USA), 2009. [pdf] [bibtex]


       RVH+09  

      F. Rosenthal, P.-B. Volk, M. Hahmann, D. Habich, W. Lehner: Drift-Aware Ensemble Regression. Appears In: Proceedings of the 6th International Conference on Machine Learning and Data Mining (MLDM '2009, Leipzig, Germany), 2009. [pdf] [bibtex]


       RöLe09a  

      Rösch, P.; Lehner, W.: Sample Synopses for Approximate Answering of Group-By Queries; Appears In: Proceedings of the 12th International Conference on Extending Database Technology (EDBT 2009, March 23-26 2009, Saint-Petersburg, Russia), 2009. [pdf] [bibtex]


       HPVL09  

      Habich, D.; Preißler, S.; Voigt, H.; Lehner, W.: Innovative Process Execution in service-oriented environments (Poster); Appears In: Proceedings of the 11th International Conference on Enterprise Information Systems (ICEIS 2009, 6-10 May 2009, Milan, Italy), 2009. [pdf] [bibtex]


       BHP+09a  

      Böhm, M.; Habich, D.; Preißler, S.; Lehner, W.; Wloka, U.: Vectorizing Instance-Based Integration Processes; Appears In: Proceedings of the 11th International Conference on Enterprise Information Systems (ICEIS 2009, 6-10 May 2009, Milan, Italy), 2009. [pdf] [bibtex]


       BHLW09c  

      Böhm, M.; Habich, D.; Lehner, W.; Wloka, U.: Invisible Deployment of Integration Processes; Appears In: Proceedings of the 11th International Conference on Enterprise Information Systems (ICEIS 2009, 6-10 May 2009, Milan, Italy), 2009. [pdf] [bibtex]


       PVHL09b  

      Preißler, S.; Voigt, H.; Habich, D.; Lehner, W.: Streaming Web Services and Standing Processes (Demo).; In: Proceedings der 13. GI-Fachtagung für Datenbanksysteme in Business, Technology und Web (BTW 2009, March 2-6 2009, Münster, Germany), 2009. [pdf] [bibtex]


       PVHL09a  

      Preißler, S.; Voigt, H.; Habich, D.; Lehner, W.: Stream-based Web Service Invocation; In: Proceedings der 13. GI-Fachtagung für Datenbanksysteme in Business, Technology und Web (BTW 2009, March 2-6 2009, Münster, Germany), 2009. [pdf] [bibtex]


       BHLW09b  

      Böhm, M.; Habich, D.; Lehner, W.; Wloka, U.: Systemübergreifende Kostennormalisierung für Integrationsprozesse; Appears In: Proceedings der 13. GI-Fachtagung für Datenbanksysteme in Business, Technology und Web (BTW 2009, March 2-6 2009, Münster, Germany), 2009. [pdf] [bibtex]


       BHLW09a  

      Böhm, M.; Habich, D.; Lehner, W.; Wloka, U.: GCIP: Exploiting the Generation and Optimization of Integration Processes (Demo); Appears In: Proceedings of the 12th International Conference on Extending Database Technology (EDBT 2009, March 23-26 2009, Saint-Petersburg, Russia), 2009. [pdf] [bibtex]


       VRH+09  

      Volk, P. B.; Rosenthal, F.; Hahmann, M.; Habich, D. Lehner, W.: Clustering Uncertain Data With Possible Worlds. Appears In: Proceedings of the 1st Workshop on Management and mining Of UNcertain Data in conjunction with the 25th International Conference on Data Engineering (MOUND2009, March 29, Shanghai, China), 2009. [pdf] [talk] [bibtex]


       Lehn09a  

      Wolfgang Lehner: Merging OLTP and OLAP - Back to the Future - (Panel). In: Proceedings of the Third International Workshop on Enabling Real-Time Business Intelligence (BIRTE 2009, 5th International Conference on Very Large Databases (VLDB 2009), Lyon, France), pages 171-173, 2009. [pdf] [bibtex]


       Lehn09b  

      Wolfgang Lehner: Query Processing in Data Warehouses. In: Encyclopedia of Database Systems 2009: 2297-2301. [pdf] [bibtex]


  • Research Papers 2008

       BHLW08g  

      Böhm, M.; Habich, D.; Lehner, W.; Wloka, U.: Workload-Based Optimization of Integration Processes (Poster); Appears In: Proceedings of the 17th Conference on Information and Knowledge Management (CIKM 2008, October 26-30 2008, Napa Valley, USA), 2008. [pdf] [bibtex]


       VHaH+08  

      Volk,P.-B.; Hahmann, M.; Habich,D.; Lehner,W.: Pre analysis and clustering of uncertain data from manufacturing processes; Erscheint In: Lernen, Wissensentdeckung und Adaptivität - Knowledge Discovery, Data Mining und Maschinelles Lernen (LWA 2008, GI Workshops, Oktober 6-8, Würzburg, Germany), 2008. [pdf] [talk] [bibtex]


       TFL08  

      Thiele M.; Fischer U.; Lehner W.: Partition-based Workload Scheduling in Living Data Warehouse Environments; (Extended Version) In Information Systems, Volume 34, Issues 4-5, June-July 2009, Pages 382-399. [pdf] [bibtex]


       BHLW08f  

      Böhm, M.; Habich, D.; Lehner, W.; Wloka, U.: An Advanced Transaction Model for Recovery Processing of Integration Processes; Appears In: Proceedings of the 12th East-European Conference on Advances in Databases and Information Systems (ADBIS 2008, September 5-9, Pori, Finland), 2008. [pdf] [bibtex]


       GRL08  

      Gemulla, R.; Rösch, P.; Lehner, W.: Linked Bernoulli Synopses: Sampling Along Foreign Keys; In SSDBM, 2008. Full version [pdf] [bibtex]


       BBH+08b  

      Böhm, M.; Bittner, J.; Habich, D.; Lehner, W.; Wloka, U.: Model-Driven Generation of Dynamic Adapters for Integration Platforms; Appears In: Proceedings of the 1st International Workshop on Model Driven Interoperability for Sustainable Information Systems (MDISIS 2008, 16th June 2008, Montpellier, France), 2008. [pdf] [bibtex]


       BHLW08e  

      Böhm, M.; Habich, D.; Lehner, W.; Wloka, U.: Model-Driven Generation and Optimization of Complex Integration Processes; Appears In: Proceedings of the 10th International Conference on Enterprise Information Systems (ICEIS 2008, June 12-16, Barcelona, Spain), 2008. [pdf] [bibtex]


       BHLW08d  

      Böhm, M.; Habich, D.; Lehner, W.; Wloka, U.: Message Indexing for Document-Oriented Integration Processes; Appears In: Proceedings of the 10th International Conference on Enterprise Information Systems (ICEIS 2008, June 12-16, Barcelona, Spain), 2008. [pdf] [bibtex]


       BBH+08  

      Böhm, M.; Bittner, J.; Habich, D.; Lehner, W.; Wloka, U.: Improving Data Independence, Efficiency and Functional Flexibility of Integration Platforms (Poster); Appears In: Proceedings of the 20th International Conference on Advanced Information Systems Engineering (CAiSE 2008, 16-20 June 2008, Montpellier, France), 2008. [pdf] [bibtex]


       BHLW08c  

      Böhm, M.; Habich, D.; Lehner, W.; Wloka, U.: Model-Driven Development of Complex and Data-Intensive Integration Processes; Appears In: Proceedings of the 1st International Workshop on Model-Based Software and Data Integration (MBSDI 2008, April 1-2, Berlin, Germany), 2008. [pdf] [bibtex]


       GLH08  

      Gemulla, R.; Lehner, W; Haas, P.J.: Maintaining Bounded-Size Sample Synopses of Evolving Datasets; In The VLDB Journal, 17(2), pages 173-201, 2008. [pdf] [bibtex]


       RGL08  

      Rösch, P.; Gemulla, R.; Lehner, W.: Designing Random Sampling Synopses with Outliers (Poster); In: Proceedings of the 24th International Conference on Data Engineering (ICDE 2008, Cancun, 07.04.-12.04.), 2008. Long version [pdf] [bibtex]


       BHLW08b  

      Böhm, M.; Habich, D.; Lehner, W.; Wloka, U.: DIPBench: An Independent Benchmark for Data-Intensive Integration Processes; Appears In: Proceedings of the Workshop on Information Integration Methods, Architectures, and Systems in conjunction with the 24th International Conference on Data Engineering (IIMAS’08, Cancun, 11.04.-12.04.), 2008. [pdf] [bibtex]


       BHLW08  

      Böhm, M.; Habich, D.; Lehner, W.; Wloka, U.: DIPBench Toolsuite: A Framework for Benchmarking Integration Systems (Demo); Appears In: Proceedings of the 24th International Conference on Data Engineering (ICDE’08, Cancun, Mexico, 07.04.-12.04.), 2008. [pdf] [bibtex]


       SL08  

      Kai-Uwe Sattler, Wolfgang Lehner: Quality of service and predictability in DBMS. In: Proceedings of the 11th International Conference on Extending Database Technology: Advances in Database Technology (EDBT 2008, Nantes, France), page 748, 2008. [pdf] [bibtex]


       TPL08  

      Christian Thomsen, Torben Bach Pedersen, Wolfgang Lehner: RiTE: Providing On-Demand Data for Right-Time Data Warehousing. In: Proceedings of the 24th IEEE International Conference on Data Engineering (ICDE 2008, April 7-12, Cancun, Mexico), pages 456-465, 2008. [pdf] [bibtex]


       WMFL08  

      Christoph Weyerhaeuser, Tobias Mindnich, Franz Faerber, Wolfgang Lehner: Exploiting Graphic Card Processor Technology to Accelerate Data Mining Queries in SAP NetWeaver BIA. In: Workshops Proceedings of the 8th IEEE International Conference on Data Mining (ICDM 2008, December 15-19, Pisa, Italy), pages 506-515, 2008. [pdf] [bibtex]


  • Research Papers 2007

       BHR+07  

      Beyer, K.; Haas, P.J.; Reinwald, B.; Sismanis, Y.; Gemulla, R.: On Synopses for Distinct-Value Estimation Under Multiset Operations; In SIGMOD, pages 199-210, 2007. [pdf] [bibtex]


       TFL07  

      Thiele, M.; Fischer, U.; Lehner, W.: Partition-based Workload Scheduling in Living Data Warehouse Environments. Appears In: Proceedings of the 10th ACM international workshop on Data warehousing and OLAP (DOLAP'07, Lisbon, Portugal, November 9), 2007. [pdf] [bibtex]


       HRG07  

      Habich, D.; Richly, S.; Grasselt, M.; Preißler, S.; Lehner, W.; Maier, A.: BPEL-DT - Data-Aware Extension of BPEL to Support Data-Intensive Service Applications. In: 2nd Workshop of Emerging Web Services Technology in conjunction with the 5th IEEE European Conference on Web Services (WEWST 2007, November 26, Halle/Salle, Germany), 2007. [pdf] [bibtex]


       LLR07  

      Legler T., Lehner W., Ross A.:Der Einfluss der Datenverteilung auf die Performanz eines Data Warehouse. In: Datenbanksysteme in Business, Technologie und Web (BTW 2007, March 9, Aachen, Germany), 2007. [pdf] [bibtex]


       HaHL07  

      Habich,D.; Hahmann, M.; Lehner,W.: Parameterfreies Clustering durch Mehrstufigen Ansatz; Erscheint In: Lernen, Wissensentdeckung und Adaptivität - Knowledge Discovery, Data Mining und Maschinelles Lernen (LWA 2007, GI Workshops, September 24-26, Halle/Saale, Germany), 2007. [pdf] [bibtex]


       KSHL07  

      Karnstedt, M.; Sattler, K.-U.; Habich, D.; Lehner, W.: Quality of Service-Driven Stream Mining. Appears In: Proceedings of the 2nd International Workshop on Data Stream Mining and Management in conjunction with the 7th IEEE International Conference on Data Mining (DSMM 2007, October 28, Omaha, NE, USA), 2007. Long Version [pdf] [bibtex]


       HVL+07  

      Habich, D.; Volk, P. B.; Lehner, W.; Dittmann, R.; Utzny, C.: Error-Aware Density-Based Clustering of Imprecise Measurement Values. Appears In: Proceedings of the 1st International Workshop on Data Mining of Uncertain Data in conjunction with the 7th IEEE International Conference on Data Mining (DUNE 2007, October 28, Omaha, NE, USA), 2007. [pdf] [talk] [bibtex]


       BHW+07  

      Böhm, M.; Habich, D.; Wloka, U.; Bittner, J.; Lehner, W.: Towards Self-Optimization of Message Transformation Processes; Appears In: Proceedings of the 11. East-European Conference on Advances in Databases and Information Systems (ADBIS’07, Varna, 29.09.-03.10.), 2007. [pdf] [bibtex]


       HRP+07  

      Habich, D.; Richly, S.; Preißler, S.; Lehner, W.; Assmann, U.; Grasselt, M.; Maier, A.: Data-Grey-Box Web Services in Data-Centric Environments. In: Proceedings of 2007 International Conference on Web Services (ICWS 2007, July 9-13, 2007, Salt Lake City, Utah, USA), pages 976-983, 2007. [pdf] [bibtex]


       HRL+07  

      Habich, D.; Richly, S.; Lehner, W.; Assmann, U.; Grasselt, M.; Maier, A.; Pilarsky, C.: Data-Aware SOA for Gene Expression Analysis Processes. In: Proceedings of the 1st IEEE International Workshop on Service Oriented Technologies for Biological Databases and Tools in Conjunction with ICWS/SCC 2007(SOBDAT 2007, July 13, Salt Lake City, Utah, USA), pages 138-145, 2007. [pdf] [bibtex]


       LeLe07  

      Legler, T.; Lehner, W.: Optimierte Anfragen ans Data-Warehouse. In. Computerworld, 5.April 2007, S. 18-20. [bibtex]


       ScSL07  

      Schmidt, S.; Schlegel, B.; Lehner, W.: QDM: A Generic QoS-aware Data Model for Real-Time Data Stream Processing. In: Proceedings of the First International Workshop on Data Stream Processing (STREAM 2007, Santa Clara (CA), 1.-7. Juli), 2007. [pdf] [bibtex]


       LLZZ07  

      Larson, P.; Lehner, W.; Zhou, J.; Zabback, P.: Cardinality Estimation Using Sample Views with Quality Assurance. In: Proceedings of the ACM International Conference on Management of Data (SIGMOD 2007, Peking, 11.-14. Juni), 2007. [pdf] [bibtex]


       LZFL07  

      Larson, P.; Zhou, J.; Freytag, C.; Lehner, W.: Efficient Exploitation of Similar Subexpressions for Query Processing. In: Proceedings of the ACM International Conference on Management of Data (SIGMOD 2007, Peking, 11.-14. Juni), 2007. [pdf] [bibtex]


       KDHL07  

      Klein, A.; Do, H.-H.; Hackenbroich, G.; Lehner, W.: Representing Data Quality for Streaming and Static Data. In: Proceedings of the International Workshop on Ambient Intelligence, Media, and Sensing (AIMS 2007, Istanbul, Türkei, 20. April), 2007. [pdf] [bibtex]


       BHRSG07  

      Beyer, K.; Haas, P.; Reinwald, B.; Sismanis, Y.; Gemulla, R.: On Synopses for Distinct-Value Estimation Under Multiset Operations; Appears in: Proceedings of 2007 ACM SIGMOD International Conference on Management of Data (SIGMOD 2007, Beijing, China, 11-14 June), 2007. [pdf] [bibtex]


       GLH07  

      Gemulla, R.; Lehner, W.; Haas, P.: Maintaining Bernoulli Samples over Evolving Multisets; Appears in: Proceedings of 26th Symposium on Principles of Database Systems (PODS 2007, Beijing, China, 11-14 June), 2007. [pdf] [bibtex]


       BWH+07  

      Böhm, M.; Wloka, U.; Habich, D.; Bittner, J.; Lehner, W.: Ein Nachrichtentransformationsmodell für komplexe Transformationsprozesse in datenzentrischen Anwendungsszenarien; In: Proceedings der 12. GI-Fachtagung für Datenbanksysteme in Business, Technology und Web (BTW’07, Aachen, 07.03.-09.03.), Seiten 562-581, 2007. [pdf] [bibtex]


  • Research Papers 2006

       LLR06  

      Legler T., Lehner W., Ross A.: Data mining with the SAP NetWeaver BI accelerator; In: Proceedings of 32nd International Conference on Very Large Data Bases (VLDB 2006, Seoul, Korea, 12-15 September), 2006. [pdf] [bibtex]


       TL06b  

      Thiele,M.;Lehner,W.: Shrinked Data Marts Enabled for Negative Caching; In: 10th International Database Engineering & Applications Symposium (IDEAS'06, Delhi, India, December 11-14), 2006. [pdf] [bibtex]


       HWLP06b  

      Habich,D.; Wächter, T.; Lehner,W.; Pilarsky, C.: Two-Phase Clustering Strategy for Gene Expression Data Sets; In: Lernen, Wissensentdeckung und Adaptivität - Knowledge Discovery, Data Mining und Maschinelles Lernen (LWA 2005, GI Workshops, Hildesheim, October 9-11), pages 275-281, 2006. [pdf] [bibtex]


       HiHK06  

      Hinneburg, A.; Habich, D.; Karnstedt, M.: Analyzing Data Streams by OnlineDFT. Appears in: Proceedings of the ECML/PKDD-2006 International Workshop on Knowledge Discovery from Data Streams (IWKDDS-2006, Berlin, Germany, September 18), 2006. [pdf] [bibtex]


       GLH06  

      Gemulla, R.; Lehner, W.; Haas, P.: A Dip in the Reservoir: Maintaining Sample Synopses of Evolving Datasets; In: Proceedings of 32nd International Conference on Very Large Data Bases (VLDB 2006, Seoul, Korea, 12-15 September), 2006. [pdf] [bibtex]


       RiHL06c  

      Richly, S.; Habich, D.; Lehner, W.: GignoMDA - Exploiting Cross-Layer Optimization for Complex Database Applications (Demo). Appears in: Proceedings of 32nd International Conference on Very Large Data Bases (VLDB'06, Seoul, Korea, September 12-15), 2006. [pdf] [bibtex]


       RiHL06b  

      Richly, S.; Habich, D.; Lehner, W.: GignoMDA - Generation of Complex Database Applications. In: Tagungsband des 18. Workshop "Grundlagen von Datenbanken" der GI (GvD'06, Wittenberg, Germany, 6. - 9. Juni), 2006. [pdf] [bibtex]


       RiHL06a  

      Richly, S.; Habich, D.; Lehner, W.: GignoMDA - MDA Approach for Applications in the Database Domain. In: Proceedings of the 1st ECOOP (European Conference on Object-Oriented Programming) Workshop on Domain-Specific Program Development (DSPD'06, Nantes, France, July 3), 2006. [pdf] [bibtex]


       HSSL06  

      Habich, D.; Seebach, J.; Schnittler, H.-J.; Lehner, W.: Database Support of an Automated Multi-Channel Rheological Shear Stress Device - BTF System (Poster). In: The Joint Meeting of The German Society of Physiology and The Federation of European Physiological Societies (DPG'06, Munich, Germany, March 26 - 29), 2006. [bibtex]


       HaLJ06  

      Habich, D.; Lehner, W.; Just, M.: Materialized Views in the Presence of Reporting Functions. In: Proceedings of the 18th International Scientific and Statistical Database Management Conference (SSDBM'06, Vienna, Austria, July 03-05), 2006. [pdf] [bibtex]


       ThAL06  

      Thiele, M.; Albrecht, J.; Lehner, W.: Optimistic Coarse-Grained Cache Semantics for Data Marts. In: Proceedings of the 18th International Scientific and Statistical Database Management Conference (SSDBM'06, Vienna, Austria, July 03-05), 2006. [pdf] [bibtex]


       KGRL06  

      Klein A.; Gemulla,R.; Rösch, P.; Lehner, W.: Derby/S: A DBMS for Sample-Based Query Answering (Demo); In: Proceedings of 2006 ACM SIGMOD International Conference on Management of Data (SIGMOD 2006, Chicago, USA, 26-29 June), 2006. [pdf] [bibtex]


       GemL06  

      Gemulla,R.; Lehner, W.: Deferred Maintenance of Disk-Based Random Samples; In: Proceedings of 10th International Conference on Extending Database Technology (EDBT 2006, Munich, Germany, 26-31 March), pp. 423 - 441, 2006. [pdf] [bibtex]


       HWLP06  

      Habich,D.; Wächter, T.; Lehner,W.; Pilarsky, C.: Two-Phase Clustering Strategy for Gene Expression Data Sets; In: Proceedings of 21st Annual ACM Symposium on Applied Computing, Bioinformatics Track (SAC 2006, Dijon, Bourgogne France, April 23-27), 2006. [pdf] [bibtex]


  • Research Papers 2005

       HLH+05  

      Habich, D.; Lehner, W.; Hinneburg, A.; Kitzmantel, P.; Kimpl, M.: Eyes4Ears - More than a Classical Music Retrieval System. In: Proceedings of 5th Open Workshop of Musicnetwork - Integration of Music in Multimedia Applications (MUSICNETWORK'05, Vienna, Austria, July 4-5), 2005. [pdf] [bibtex]


       SLSL05  

      Schmidt, S.; Legler, T.; Schär, S.; Lehner, W.: Robust Real-time Query Processing with QStream. In: Proceedings of 31st International Conference on Very Large Data Bases (VLDB'05, Trondheim, Norway, August 30 - September 2), 2005. [pdf] [bibtex]


       HTS+05  

      Habich, D.; Thiele, M.; Schaller,D. ; Lehner, W.; Pliarsky, C.: Orchestration of Data Intensive Processes for Gene Expression Analysis. In: Proceedings of International Conference on Data Management for Real-life Problems in Biomedicine (DMRB'05, San Diego, California, USA, June 27-30), 2005, pages 111-120. [bibtex]


       GeBL05  

      Gemulla, R.; Berthold, H.; Lehner, W.: Hierarchical Group-based Sampling. In: Proceedings of the 22nd British National Conference on Databases (BNCOD05, Sunderland, England, July 5-7), 2005. [pdf] [bibtex]


       GBL05  

      Gemulla, R.; Berthold, H.; Lehner, W.: Hierarchisches gruppenbasiertes Sampling. In: Informatik - Forschung und Entwicklung, 2005. [pdf] [bibtex]


       ScFL05  

      Schmidt, S.; Fiedler, M.; Lehner, W.: Source-aware Join Strategies of Sensor Data Streams. In: Proceedings of the 17th International Scientific and Statistical Database Management Conference (SSDBM'05, Santa Barbara, USA, 27.-29. Juni), 2005. [pdf] [bibtex]


       HaLH05  

      Habich, D.; Lehner, W.; Hinneburg, A.: Optimizing Multiple Top-k Queries over Joins. In: Proceedings of the 17th International Scientific and Statistical Database Management Conference (SSDBM'05, Santa Barbara, USA, June 27-29), 2005, pages 195-204. [pdf] [bibtex]


       ScLL05  

      Schmidt, S.; Legler, T.; Schaller, D.; Lehner, W.: Real-time Scheduling for Data Stream Management Systems. In: Proceedings of the 17th Euromicro Conference on Real-Time Systems (ECRTS’05, Palma de Mallorca, Spanien, 6.-8. Juli) 2005. [pdf] [bibtex]


       ScSL05  

      Schulze, C.; Spilke, J.; Lehner, W.: Hybrid Modelling of Operational and Analytical Data at Precision Dairy Farming. In: Proceedings of the 5th Conference of the European Federation for Information Technology in Agriculture, Food and Environment (EFITA 2005, Vila Real, Portugal, 25.- 28. Juli), 2005. [pdf] [bibtex]


       ScIL05  

      Schlesinger, L.; Irmert, F.; Lehner, W.: Supporting the ETL-Process by WebService Technologies. In: International Journal of Data Warehousing and Mining (IJDWM). [pdf] [bibtex]


       HaKH05  

      Habich, D.; Karnstedt, M.; Hinneburg, A.: Erkennung aperiodischer Ausreißer. In: 6. Workshop des GI-Arbeitskreises "Knowledge Discovery" im Vorfeld der BTW 2005 (GI, Karlsruhe, 1. März, Deutschland, 2005). [bibtex]


       BSL+05  

      Berthold, H.; Schmidt, S.; Lehner, W.; Hamann, C.-J.: Integrated Resource Management for Data Stream Systems. In: Proceedings of the 20th Annual ACM Symposium on Applied Computing (SAC 2005, Santa Fe, New Mexico, March 13-17), 2005. [pdf] [bibtex]


  • Research Papers 2004

       LeSS04a  

      Lehner, W., Schmidt, S; Schaller, D.: Wenn Ausnahmen zum Normalfall werden. In: Wissenschaftliche Zeitschrift der TU-Dresden (Struktur und Strukturen). [bibtex]


       LeSc04  

      Lehner, W.; Schöning, H.: XQuery - Ein Überblick. In: Datenbank-Spektrum (11) 2004. [bibtex]


       LeSS04  

      Lehner, W.; Schlesinger, L.; Sauerborn, V.: Verknüpfung schwach-konsistenter Datenbankzustände in Grid-organisierten Rechnerstrukturen. In: Datenbank-Spektrum (9)2004. [bibtex]


       ScHL04  

      Schmidt, S.; Habich, D.; Lehner, W.: Feingranulare Verarbeitung von XML-Strömen. In: Tagungsband der 34. GI-Jahrestagung (Workshop "Dynamische Informationsfusion", GI Arbeitskreis "Web und Datenbanken") (Ulm, Deutschland, 22.-24. Sept.), 2004. [pdf] [bibtex]


       ScBL04  

      Schmidt, S.; Berthold, H.; Lehner, W.: QStream: Deterministic Querying of Data Streams (Demo) In: Proceedings of the 30th International Conference on Very Large Data Bases (VLDB'04, Toronto, Canada, 30. August.-3. Sept.), 2004, S. 1365-1368. [pdf] [bibtex]


       CLPS04  

      United States Patent: Cochrane, R.; Lehner, W.; Pirahesh, H.; Sidle, R.: Incremental Maintenance of Summary Tables with Complex Grouping Expressions. United States Patent; Patent Number 6,763,352; 13.7.2004 Elektronisch verfgbar unter: http://www.uspto.gov/. [bibtex]


       TeLe04  

      Teich, A.; Lehner, W.: Implementation of JOLAP with XML. In: Tagungsband Internationales Symposium: Data-Warehouse-Systeme und Knowledge Discovery (Darmstadt, 24. 6.), 2004, S. 75-84. [bibtex]


       BBHL04  

      Bauer, A.; Böhnlein, M; Herden, O.; Lehner, W. (Hrsg.): Internationales Symposium: Data-Warehouse-Systeme und Knowledge-Discovery. Tagungsband (Darmstadt, 24. Juni), 2004. [bibtex]


  • Research Papers 2003

       ScGL03  

      Schmidt, S.; Gemulla, R.; Lehner, W.: XML Stream Processing Quality. In: Proceedings of the XML Symposiom (XSym 2003, Berlin, Germany 8. Sept.), 2003, S. 195-207. [pdf] [bibtex]


       SML+03  

      Schmidt, S.; Märcz, A; Lehner, W.; Suchomskie, M.; Meyer-Wegener, K.: Quality-of-Service based Delivery of Multimedia Database Objects without Compromising Format Independence. In: Proceedings of the Ninth International Conference on Distributed Multimedia Systems (DMS'03, Miami, Florida, USA 24.-26. Sept.), 2003, S. 90-93. [bibtex]


       HiLH03  

      Hinneburg, A.; Lehner, W.; Habich, D.: COMBI-Operator - Database Support for Data Mining Applications. In: Proceedings of the 29th International Conference on Very Large Data Bases (VLDB'03, Berlin, Deutschland, 9.-12. Sept.), 2003. [pdf] [bibtex]


       ScLe03c  

      Schlesinger, L.; Lehner, W.: SCINTRA: A Model for Quantifying Inconsistencies in Grid-organized Sensor Database Systems. In: Proceedings of the International Conference on Parallel and Distributed Computing (Euro-Par 2003, Klagenfurt (Österreich), 26.-29. August) 2003. [pdf] [bibtex]


       BaLe03  

      Bauer, A.; Lehner, W.: On Solving the View Selection Problem in Distributed Data Warehouse Architectures. In: Proceedings of the 15th International Conference on Scientific and Statistical Data Management (SSDBM2003, Cambridge (MA), USA, 9.-11. Juli), 2003. [pdf] [bibtex]


       HiLe03  

      Hinneburg, A.; Lehner, W.: Database Support for 3D-Protein Data Set Analysis. In: Proceedings of the 15th International Conference on Scientific and Statistical Data Management (SSDBM2003, Cambridge (MA), USA, 9.-11. Juli), 2003. [pdf] [bibtex]


       LeIr03  

      Lehner, W.; Irmert, F.: XPath-Aware Chunking of XML-Documents. In: Tagungsband der 10. GI-Fachtagung Datenbanksysteme für Business, Technology und Web (BTW’03, Leipzig, 26.-28. Februar), 2003, S. 108-126. [pdf] [bibtex]


       ScLe03b  

      Schlesinger, L.; Lehner, W.: Konsistenzquantifizierung in Grid-Datenbanksystemen. In: Tagungsband der 10. GI-Fachtagung Datenbanksysteme für Business, Technology und Web (BTW’03, Leipzig, 26.-28. Februar), 2003, S. 404-422. [pdf] [bibtex]


       ScLe03a  

      Schlesinger, L.; Lehner, W.: WebService-basierte Integration externer Datenquellen in relationale Datenbanksysteme. In: Proceedings zum Workshops XML-Technologien für Middleware ¯ Middleware für XML-Anwendungen (XMIDX’03, Berlin, 17. Feburar), 2003, S. 11-21. [pdf] [bibtex]


  • Research Papers 2002

       HLBS02  

      Hümmer, W.; Lehner, W.; Bauer, A.; Schlesinger, L.: A Decathlon in Multidimensional Modeling: Open Issues and Some Solutions. In: Proceedings of the Second International Conference on Data Warehousing and Knowledge Discovery (DaWaK 2002, Aix-en-Provence, Frankreich, 2.-6. Sept), 2002. [pdf] [bibtex]


       LeSc02  

      Lehner, W.; Schlesinger, L.: Derivability of OLAP Function Sequences in Relational Database Systems. In: International Symposium on Managing and Analyzing Data Streams: Towards Unifying Approaches from Mathematical Statistics and Computer Science (MADS'02, Marburg, Deutschland, 13.-15. Juni), 2002. [pdf] [bibtex]


       ScLe02  

      Schlesinger, L.; Lehner, W.: Extending Data Warehouses by Semi-Consistent Views. In: Proceedings of the International Workshop of Design and Management of Data Warehouses (DMDW 2002, Toronto, Kanada, 27. Mai), 2002. [pdf] [bibtex]


       HLW02  

      Hümmer, W.; Lehner, W.: Wedekind, H.: Contracting in the Days of eBusiness. In: ACM SIGMOD Record 31(1), 2002. [pdf] [bibtex]


       LeHS02  

      Lehner, W.; Hümmer, W.; Schlesinger, L.: Processing Reporting Function Views in a Data Warehouse Environment. In: Proceedings of the 18th International Conference on Data Engineering (ICDE 2002, San Jose (CA), U.S.A., 26. Feb.-1. März), 2002. [pdf] [bibtex]


  • Books

       LMSS06  

      Lehner, W.; Meyer, N.; Stewart, C.; Streit, A. (Eds.):Euro-Par 2006: Workshop-Proceedings
      Proceedings, Springer, LNCS 4375
      . [bibtex]


       NaWL06  

      Nagel, W.; Walter, W.; Lehner, W.: 12th International Euro-Par Conference 2006, Parallel Processing.
      Proceedings (Dresden, Germany, August 28 - September 1, 2006), Springer, ISBN 3-540-37783-2, 2006. [bibtex]


       HäLe05  

      Härder, T.; Lehner, W:
      Data Management in a Connected World: Essays Dedicated to Hartmut Wedekind on the Occasion of His 70th Birthday
      Lecture Notes in Computer Science, Volume 3551/2005, Springer-Verlag Heidelberg, 2005. [bibtex]


       BBH+04  

      Bauer, A.; Böhnlein, M; Herden, O.; Lehner, W. (Hrsg.):
      Internationales Symposium: Data-Warehouse-Systeme und Knowledge-Discovery.
      Tagungsband (Darmstadt, 24. Juni 2004). [bibtex]


       LeSc04  

      Lehner, W.; Schöning, H.:
      XQuery: Ein Lehrbuch
      dpunkt-Verlag Heidelberg, 2004. [bibtex]


       Lehn03  

      Lehner, W.:
      Datenbanktechnologie für Data-Warehouse-Systeme: Konzepte und Methoden
      dpunkt-Verlag Heidelberg, 2003. [bibtex]


       Lehn02  

      Lehner, W.:
      Subskriptionssysteme: Marktplatz für omnipräsente Informationen.
      Teubner Texte zur Informatik, Band 36, B.G. Teubner Verlag Stuttgart/Leipzig/Wiesbaden, 2002. [bibtex]


       Lehn01  

      Lehner, W. (Hrsg.):
      Advanced Techniques in Personalized Information Delivery.
      Arbeitsbericht des Instituts für Informatik, Friedrich-Alexander Universität Erlangen-Nürnberg, 34(5), 2001. [bibtex]


       Lehn99  

      Lehner, W.:
      Multidimensionale Datenbanksysteme.
      Teubner Texte zur Informatik, Band 30, B.G. Teubner Verlag Stuttgart, Leipzig, 1999. [bibtex]


       Lehn98  

      Lehner, W. (Hrsg.):
      Erweiterte Konzepte und Techniken der Anfrageoptimierung in Datenbanksystemen.
      Arbeitsbericht des Instituts für Mathematische Maschinen und Datenverarbeitung (Informatik), Friedrich-Alexander Universität Erlangen-Nürnberg, 30(7), 1998. [bibtex]


  • Research Papers 2004 and previous

Last Update: December 04, 2014 11:49 CET
Author Database Technology Group, Technische Universität Dresden

Chair Contact
Head
Prof. Dr.-Ing.
Wolfgang Lehner


Tel.: +49 351 463-38383
Fax: +49 351 463-38259


Visiting Address (View)
Nöthnitzer Str. 46
Room 3109
01187 Dresden

Postal Address
Technische Universität Dresden
Dep. of Computer Science
Institute for System Architecture
Database Systems Group
01062 Dresden
Germany