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KEYWORD USAGE SCORE BASED ON FREQUENCY IMPULSE AND FREQUENCY WEIGHT

  • US 20080301117A1
  • Filed: 06/01/2007
  • Published: 12/04/2008
  • Est. Priority Date: 06/01/2007
  • Status: Active Grant
First Claim
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1. A method in a computing device for assessing keyword usage, the method comprising:

  • providing frequency of keywords during various periods;

    calculating a frequency impulse score for a keyword, the frequency impulse score indicating amount of recent change in frequency of the keyword;

    calculating a frequency weight for the keyword, the frequency weight indicating a recent measure of the frequency of the keyword; and

    combining the frequency impulse score and frequency weight of the keyword to give the recent usage score for the keyword for a recent period.

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