Long-Term Learning for Web Search Engines

  • Authors:
  • Charles Kemp;Kotagiri Ramamohanarao

  • Affiliations:
  • -;-

  • Venue:
  • PKDD '02 Proceedings of the 6th European Conference on Principles of Data Mining and Knowledge Discovery
  • Year:
  • 2002

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Abstract

This paper considers how web search engines can learn from the successful searches recorded in their user logs.Document Transformation is a feasible approach that uses these logs to improve document representations. Existing test collections do not allow an adequate investigation of Document Transformation, but we show how a rigorous evaluation of this method can be carried out using the referer logs kept by web servers. We also describe a new strategy for Document Transformation that is suitable for long-term incremental learning.Our experiments show that Document Transformation improves retrieval performance over a medium sized collection of webpages.Commercial search engines may be able to achieve similar improvements by incorporating this approach.