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Identifying a synonym with N-gram agreement for a query phrase

  • US 7,925,498 B1
  • Filed: 12/29/2006
  • Issued: 04/12/2011
  • Est. Priority Date: 12/29/2006
  • Status: Active Grant
First Claim
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1. A method for identifying a synonym with N-gram agreement for a query phrase, comprising:

  • receiving in a computer system comprising one or more computers a candidate synonym for the query phrase;

    determining by the computer system whether each term in the query phrase is a lexical synonym of the corresponding term of the candidate synonym or shares meaning with the corresponding term of the candidate synonym;

    if this is true for all terms in the query phrase, identifying by the computer system the candidate synonym as an N-gram agreement synonym for the query phrase; and

    using the identified N-gram agreement synonym in the computer system to improve synonym mappings for query terms and/or query phrases.

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