×

Weight-based stemming for improving search quality

  • US 8,661,049 B2
  • Filed: 07/09/2012
  • Issued: 02/25/2014
  • Est. Priority Date: 07/09/2012
  • Status: Active Grant
First Claim
Patent Images

1. A computer-implemented method comprising:

  • receiving a search query;

    identifying a first original query term based on the query;

    identifying a first expanded query term related to the first original query term;

    determining a first lexical distance between the first original query term and the first expanded query term;

    determining a first weight for the first expanded query term based on the determined first lexical distance;

    identifying a plurality of documents, from among a corpus of documents, as each relevant to the search query, the plurality of documents including a first document identified based on an inclusion of the first expanded query term;

    ranking the plurality of documents, with the ranking of the first document being based upon the calculated first weight; and

    generating a response to the search query identifying two or more of the plurality of documents, ordered according to the ranking.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×