Cluster-based query expansion

  • Authors:
  • Inna Gelfer Kalmanovich;Oren Kurland

  • Affiliations:
  • Technion, Haifa, Israel;Technion, Haifa, Israel

  • Venue:
  • Proceedings of the 32nd international ACM SIGIR conference on Research and development in information retrieval
  • Year:
  • 2009

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Abstract

We demonstrate the merits of using document clusters that are created offline to improve the overall effectiveness and performance robustness of a state-of-the-art pseudo-feedback-based query expansion method -- the relevance model.