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Method and system for optimally searching a document database using a representative semantic space

  • US 7,483,892 B1
  • Filed: 01/24/2005
  • Issued: 01/27/2009
  • Est. Priority Date: 04/24/2002
  • Status: Expired due to Term
First Claim
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1. A method for comparing documents for similarity comprising:

  • generating a first pseudo-document vector utilizing a first document and a term-by-concept matrix determined from a set of documents that does not include the first document;

    generating a second pseudo-document vector utilizing a second document and said term-by-concept matrix; and

    determining similarity of said first document and said second document based on said first pseudo-document vector and said second pseudo-document vector.

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