Static query result caching revisited

  • Authors:
  • Rifat Ozcan;Ismail Sengor Altingovde;Özgür Ulusoy

  • Affiliations:
  • Bilkent University, Ankara, Turkey;Bilkent University, Ankara, Turkey;Bilkent University, Ankara, Turkey

  • Venue:
  • Proceedings of the 17th international conference on World Wide Web
  • Year:
  • 2008

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Abstract

Query result caching is an important mechanism for search engine efficiency. In this study, we first review several query features that are used to determine the contents of a static result cache. Next, we introduce a new feature that more accurately represents the popularity of a query by measuring the stability of query frequency over a set of time intervals. Experimental results show that this new feature achieves hit ratios better than those of the previously proposed features.