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Method and system of ranking and clustering for document indexing and retrieval

  • US 7,496,561 B2
  • Filed: 12/01/2003
  • Issued: 02/24/2009
  • Est. Priority Date: 01/18/2001
  • Status: Expired due to Fees
First Claim
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1. One or more computer readable media storing computer executable instructions to perform a method for vectorizing a set of document predicate structures, the method comprising:

  • identifying at least one predicate and argument in said set of document predicate structures by a predicate key that is an integer representation;

    estimating conceptual nearness of two of said document predicate structures in said set of document predicate structures by subtracting corresponding ones of said predicate keys; and

    outputting at least one document based upon the estimated conceptual nearness.

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