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System and method for facts extraction and domain knowledge repository creation from unstructured and semi-structured documents

DC
  • US 8,244,661 B1
  • Filed: 07/09/2010
  • Issued: 08/14/2012
  • Est. Priority Date: 06/18/2004
  • Status: Active Grant
First Claim
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1. A method of time stamp extraction and verification, comprising:

  • parsing a page and representing it as a sequence of paragraphs; and

    building list of candidates for time stamp for each paragraph by extraction of valid triads representing year, month and day.

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