University of twente at GeoCLEF 2006: geofiltered document retrieval

  • Authors:
  • Claudia Hauff;Dolf Trieschnigg;Henning Rode

  • Affiliations:
  • University of Twente, Human Media Interaction Group, Enschede, The Netherlands;University of Twente, Human Media Interaction Group, Enschede, The Netherlands;University of Twente, Human Media Interaction Group, Enschede, The Netherlands

  • Venue:
  • CLEF'06 Proceedings of the 7th international conference on Cross-Language Evaluation Forum: evaluation of multilingual and multi-modal information retrieval
  • Year:
  • 2006

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Abstract

This paper describes the approach of the University of Twente at its first participation in GeoCLEF. A large effort went into the construction of a geographic thesaurus which was utilized to add geographic knowledge to the documents and queries. Geographic filtering was applied to the results returned from a retrieval by content run. Employing such a geographic knowledge base however showed no added value - the content-only baseline outperformed all geographically filtered runs.