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Method and system for ranking documents of a search result to improve diversity and information richness

  • US 20050246328A1
  • Filed: 04/30/2004
  • Published: 11/03/2005
  • Est. Priority Date: 04/30/2004
  • Status: Active Grant
First Claim
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1. A method in a computer system for ranking documents of a search result, the method comprising:

  • for each document of the search result, initializing an affinity rank based on information richness for the document; and

    for each group of documents that are similar, adjusting the affinity rank for documents in the group so that the affinity ranks except for the highest affinity rank are lower relative to the highest affinity rank of a document in the group.

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