Query Responsive Index Structures

  • Authors:
  • Ludger Becker;Hannes Partzsch;Jan Vahrenhold

  • Affiliations:
  • Fachbereich Mathematik und Informatik, Institut für Informatik, Westfälische Wilhelms-Universität Münster, Münster 48149;Fachbereich Mathematik und Informatik, Institut für Informatik, Westfälische Wilhelms-Universität Münster, Münster 48149;Fakultät für Informatik, Informatik XI, Technische Universität Dortmund, Dortmund 44227

  • Venue:
  • GIScience '08 Proceedings of the 5th international conference on Geographic Information Science
  • Year:
  • 2008

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Abstract

In this paper, we generalize the notion of self-adapting one-dimensional index structures to a wide class of spatial index structures. The resulting query responsive index structurescan adapt their structure to the users' query pattern and thus have the potential to improve the response time in practice. We outline two general approaches to providing query responsiveness and present the results in terms of the well-known R驴-tree. Our experiments show that depending on the query pattern significant improvements can be obtained in practice.