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Facilitating world wide web searches utilizing a multiple search engine query clustering fusion strategy

  • US 5,864,845 A
  • Filed: 06/28/1996
  • Issued: 01/26/1999
  • Est. Priority Date: 06/28/1996
  • Status: Expired due to Term
First Claim
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1. A method implemented on a computer for facilitating World Wide Web Searches, or similar searches, by combining search result documents, as provided by separate search engines in response to a query, into one single integrated list so as to produce a ranked list of pages, said method comprising the steps of:

  • (a) training said computer for each search engine by clustering training queries and building cluster centroids;

    (b) Assign weights to each cluster reflecting the number of relevant pages expected to be obtained by this search engine for queries similar to those in that cluster(c) processing an incoming query by selecting, for each search engine, that cluster centroid that is most similar to said incoming query and returning the weight associated with the selected cluster as the weight of the current search engine; and

    (d) apportioning the N slots in the retrieved set according to the weights returned by each search engine.

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