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Document matching engine using asymmetric signature generation

  • US 20080195606A1
  • Filed: 02/11/2008
  • Published: 08/14/2008
  • Est. Priority Date: 02/14/2007
  • Status: Active Grant
First Claim
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1. An automated method of document matching using asymmetrical signature generation, the method comprising:

  • receiving documents from a document repository;

    generating signatures for each of the documents using a first signature generator;

    providing the signatures and a document identifier for each of the documents to a signature database;

    receiving an input document;

    generating signatures for the input document using a second signature generator; and

    searching the signature database using the signatures generated for the input document,wherein the first and second signature generators are configured such that different numbers of signatures are generated for a same document.

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