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Methods and apparatus for determining equivalent descriptions for an information need

  • US 6,941,293 B1
  • Filed: 02/01/2002
  • Issued: 09/06/2005
  • Est. Priority Date: 02/01/2002
  • Status: Active Grant
First Claim
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1. A computer-implemented method for determining equivalent descriptions for an information need, comprising:

  • identifying a list of queries issued by one or more users;

    identifying a candidate pair of equivalent descriptions by locating two queries that refer to the same information need;

    calculating a score for the candidate pair dependent on the frequency with which the candidate pair occurs in the list; and

    determining that each half of the candidate pair is an equivalent description for the information need if the score calculated for the candidate pair is above a defined threshold value.

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