Boosting web retrieval through query operations

  • Authors:
  • Gilad Mishne;Maarten de Rijke

  • Affiliations:
  • Informatics Institute, University of Amsterdam, Amsterdam, The Netherlands;Informatics Institute, University of Amsterdam, Amsterdam, The Netherlands

  • Venue:
  • ECIR'05 Proceedings of the 27th European conference on Advances in Information Retrieval Research
  • Year:
  • 2005

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Abstract

We explore the use of phrase and proximity terms in the context of web retrieval, which is different from traditional ad-hoc retrieval both in document structure and in query characteristics. We show that for this type of task, the usage of both phrase and proximity terms is highly beneficial for early precision as well as for overall retrieval effectiveness. We also analyze why phrase and proximity terms are far more effective for web retrieval than for ad-hoc retrieval.