Characterizing web search queries that match very few or no results

  • Authors:
  • Ismail Sengor Altingovde;Roi Blanco;Berkant Barla Cambazoglu;Rifat Ozcan;Erdem Sarigil;Özgür Ulusoy

  • Affiliations:
  • L3S Research Center, Hannover, Germany;Yahoo! Research, Barcelona, Spain;Yahoo! Research, Barcelona, Spain;Bilkent University, Ankara, Turkey;Bilkent University, Ankara, Turkey;Bilkent University, Ankara, Turkey

  • Venue:
  • Proceedings of the 21st ACM international conference on Information and knowledge management
  • Year:
  • 2012

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Abstract

Despite the continuous efforts to improve the web search quality, a non-negligible fraction of user queries end up with very few or even no matching results in leading web search engines. In this work, we provide a detailed characterization of such queries based on an analysis of a real-life query log. Our experimental setup allows us to characterize the queries with few/no results and compare the mechanisms employed by the major search engines in handling them.