Lehrstuhl für Datenbanksysteme (Database Systems Chair)

2009

• Recursion in XQuery: Put Your Distributivity Safety Belt On.
  Loredana Afanasiev, Torsten Grust, Maarten Marx, Jan Rittinger, Jens Teubner.
  Proceedings of the 12th International Conference on Extending Database Technology (EDBT 2009), St. Petersburg, Russia, March 2009. To appear. 
• XQuery Join Graph Isolation.
  Torsten Grust, Manuel Mayr, Jan Rittinger.
  Proceedings of the 25th International Conference on Data Engineering (ICDE 2009), Shanghai, China, March/April 2009. To appear.
  Extended version available on arXiv.org. 

2008

• Pathfinder: XQuery Off the Relational Shelf.
  Torsten Grust, Jens Teubner.
  Bulletin of the IEEE Technical Committee on Data Engineering. Special Issue on XQuery Processing: Practice and Experience. Vol. 31, No. 4, December 2008. 
• Jump Through Hoops to Grok the Loops — Pathfinder's Purely Relational Account of XQuery-style Iteration Semantics.
  Torsten Grust, Jan Rittinger.
  Proceedings of the ACM SIGMOD/PODS 5th International Workshop on XQuery Implementation, Experience and Perspectives (XIME-P 2008), Vancouver, Canada, June 2008.
• Dependable Cardinality Forecasts for XQuery.
  Jens Teubner, Torsten Grust, Sebastian Maneth, Sherif Sakr.
  Proceedings of the 34th Int'l Conference on Very Large Databases (VLDB 2008)/Journal of Data Management Research (JDMR), vol. 1, Auckland, New Zealand, August 2008.
• Multi-Tenant Databases for Software as a Service: Schema-Mapping Techniques.
  Stefan Aulbach, Torsten Grust, Dean Jacobs, Alfons Kemper, Jan Rittinger.
  Proceedings of the 27th ACM SIGMOD Int'l Conference on Management of Data (SIGMOD 2008), Vancouver, Canada, June 2008.
• An Inflationary Fixed Point Operator in XQuery.
  Loredana Afanasiev, Torsten Grust, Maarten Marx, Jan Rittinger, Jens Teubner.
  Proceedings of the 24th IEEE Int'l Conference on Data Engineering (ICDE 2008), Cancún, México, April 2008.
  Extended version available on arXiv.org.
• Pathfinder meets DB2.
  Manuel Mayr (Advisor: Torsten Grust).
  Ph.D. Workshop of the 11th Int'l Conference on Extending Database Technology (EDBT 2008), Nantes, France, March 2008.

2007

• Data-Intensive XQuery Debugging with Instant Replay.
  Torsten Grust, Jan Rittinger, Jens Teubner.
  Proceedings of the ACM SIGMOD/PODS 4th International Workshop on XQuery Implementation, Experience and Perspectives (XIME-P 2007), Beijing, China, June 2007.
• Report on the Third International Workshop on XQuery Implementation, Experience and Perspectives.
  Mike Carey, Torsten Grust.
  ACM SIGMOD Record, 36(2), ACM Press, June 2007.
• Why Off-the-Shelf RDBMSs are Better at XPath Than You Might Expect.
  Torsten Grust, Jan Rittinger, Jens Teubner.
  Proceedings of the ACM SIGMOD Conference on Management of Data (SIGMOD 2007), Beijing, China, June 2007.
• A SQL:1999 Code Generator for the Pathfinder XQuery Compiler.
  Torsten Grust, Manuel Mayr, Jan Rittinger, Sherif Sakr, Jens Teubner.
  Proceedings of the ACM SIGMOD Conference on Management of Data (SIGMOD 2007), Beijing, China, June 2007.
• XQuery Implementation Paradigms.
  Peter Boncz, Torsten Grust, Jérôme Siméon, Maurice van Keulen (Eds).
  In Dagstuhl Seminar Proceedings, Nº 06472, Dagstuhl Castle, May 2007.
• eXrQuy: Order Indifference in XQuery.
  Torsten Grust, Jan Rittinger, Jens Teubner.
  Proceedings of the 23rd Int'l Conference on Data Engineering (ICDE 2007), Istanbul, Turkey, April 2007.
• Pathfinder: A Relational Query Optimizer Explores XQuery Terrain.
  Jan Rittinger, Jens Teubner, Torsten Grust.
  GI-Fachtagung für Datenbanksysteme in Business, Technologie und Web (BTW 2007), Aachen, Germany, March 2007.
• Pathfinder: XQuery Compilation Techniques for Relational Database Targets.
  Jens Teubner.
  GI-Fachtagung für Datenbanksysteme in Business, Technologie und Web (BTW 2007), Aachen, Germany, March 2007.