The Xtrieval framework at CLEF 2008: domain-specific track

  • Authors:
  • Jens Kürsten;Thomas Wilhelm;Maximilian Eibl

  • Affiliations:
  • Chemnitz University of Technology, Faculty of Computer Science, Computer Science and Media, Chemnitz, Germany;Chemnitz University of Technology, Faculty of Computer Science, Computer Science and Media, Chemnitz, Germany;Chemnitz University of Technology, Faculty of Computer Science, Computer Science and Media, Chemnitz, Germany

  • Venue:
  • CLEF'08 Proceedings of the 9th Cross-language evaluation forum conference on Evaluating systems for multilingual and multimodal information access
  • Year:
  • 2008

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Abstract

This article describes our participation at the Domain-Specific track. We used the Xtrieval framework for the preparation and execution of the experiments. The translation of the topics for the cross-lingual experiments was realized with a plug-in to access the Google AJAX language API. This year, we submitted 20 experiments in total. In all our experiments we applied a standard top-k pseudo-relevance feedback algorithm. We used merged monolingual runs as baseline for comparison to all our cross-lingual experiments. Translating the topics for the bilingual experiments decreased the retrieval effectiveness only between 8 and 15 percent.