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Tuning of relevancy ranking for federated search

  • US 7,783,630 B1
  • Filed: 06/29/2007
  • Issued: 08/24/2010
  • Est. Priority Date: 06/29/2007
  • Status: Active Grant
First Claim
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1. A method of determining a relevancy ranking score, comprising:

  • receiving an indication that tuning a relevancy ranking score algorithm to a selected preference is desired, wherein the relevancy ranking score comprises a sum of three or more feature scores each multiplied by a separate weight, wherein the three or more feature scores comprise a scope or depth score, an accuracy or validity score, a clarity score, a currency score, or a source score, and wherein the scope or depth score comprises a score indicating satisfied constraints, and wherein the accuracy or validity score comprises a score indicating constraints improving query precision, and wherein the clarity score comprises a score indicating information presented in a clear manner, and wherein the currency score comprises a score indicating more recent results, and wherein the source score comprises a score indicating source quality, wherein presented in the clear manner for the clarity score comprises having a higher score in an event in which a title, an abstract, or a date is present; and

    updating, using a processor, the relevancy ranking score algorithm based at least in part on the selected preference, wherein the relevancy ranking score of a search result resulting from a search query is based at least in part on one or more constraints of the search query.

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