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Method and apparatus for retrieving text using document signatures

  • US 6,820,079 B1
  • Filed: 01/18/2000
  • Issued: 11/16/2004
  • Est. Priority Date: 07/25/1997
  • Status: Expired due to Fees
First Claim
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1. A method for retrieving text, comprising:

  • identifying markers in a first text passage;

    representing the number of non-marker characters between said identified markers in said first text passage to generate a first marker sequence;

    identifying markers in a second text passage;

    representing the number of non-marker characters between said identified markers in said second text passage to generate a second marker sequence; and

    comparing said first marker sequence to said second marker sequence.

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