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System for determining changes in the relative interest of subjects

  • US 20050102267A1
  • Filed: 12/17/2004
  • Published: 05/12/2005
  • Est. Priority Date: 07/20/1999
  • Status: Active Grant
First Claim
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1. A method for determining changes in the count of news articles related to a subject over a recent time period, the method comprising:

  • measuring a count of news articles for the subject over the recent time period;

    comparing the count of news articles for the subject over the recent time period to a count of news articles for the subject for a previous time period; and

    signaling when the comparison yields a difference greater than a predetermined amount.

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