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Determining query term synonyms within query context

  • US 7,636,714 B1
  • Filed: 03/31/2005
  • Issued: 12/22/2009
  • Est. Priority Date: 03/31/2005
  • Status: Active Grant
First Claim
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1. A computer-implemented method of searching for information in an information retrieval system, the computer-implemented method comprising:

  • receiving a search query comprising a plurality of terms;

    selecting one of the plurality of terms, wherein unselected terms of the plurality of terms comprise remaining terms of the received search query and the selected term has a position relative to the remaining unselected terms of the received search query;

    selecting, for the selected term, a replacement term that appears in a plurality of previously received multi-term search queries in a same position within the previously received multi-term search queries as the position of the selected term relative to the remaining unselected terms of the received search query;

    deriving an altered query by replacing the selected term in the received query with a disjunction of the selected term and the replacement term; and

    generating a list of search results for the altered query.

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