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Generating search result summaries

  • US 8,285,699 B2
  • Filed: 08/30/2011
  • Issued: 10/09/2012
  • Est. Priority Date: 01/31/2008
  • Status: Active Grant
First Claim
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1. A search engine comprising:

  • a ranking function used in part to rank snippets based in part on a number of ranking coefficients, a number of words in each snippet, one or more of a number of punctuation symbols and numbers in each snippet, and a score of a proximity feature associated with each snippet, the proximity feature being associated with a snippet span to provide a summary based in part on output of the ranking function, wherein the search engine uses the ranking function to rank the snippets using a first ranking coefficient with the number of words in each snippet, a second ranking coefficient with the number of punctuation symbols in each snippet, a third ranking coefficient with the number of numbers in each snippet, and a fourth ranking coefficient with the score of the proximity feature associated with each snippet.

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