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Concept bridge and method of operating the same

  • US 8,812,531 B2
  • Filed: 11/06/2012
  • Issued: 08/19/2014
  • Est. Priority Date: 06/24/2005
  • Status: Active Grant
First Claim
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1. One or more computer-readable non-transitory storage media embodying software that is operable when executed by one or more computing devices to:

  • derive a concept matrix from a plurality of sample documents using singular value decomposition of a term-document matrix, the concept matrix identifying a latent pattern of word usage in the plurality of sample documents around a concept;

    derive concept terms by extracting significant terms from search text and inferring relevant terms therefrom in accordance with the concept matrix; and

    generate a query comprising a search expression having at least one of the derived concept terms.

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