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Search engine

  • US 7,725,422 B2
  • Filed: 05/22/2002
  • Issued: 05/25/2010
  • Est. Priority Date: 03/16/1998
  • Status: Expired due to Fees
First Claim
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1. A computer-implemented method of generating a ranked list of keywords the method comprising:

  • at a computer processor, maintaining a database recording a weighted relationship between keywords;

    receiving an initial keyword from a user;

    obtaining a stored set of web page listings previously associated with the initial keyword;

    obtaining a set of keywords comprising, for each web page listing in the set of web page listings, keywords previously associated with the web page listings;

    ranking each keyword in the set of keywords based upon the weighted relationship between the initial keyword and each keyword, thereby forming a ranked list of keywords;

    presenting the ranked list of keywords to the user;

    receiving, by the computer processor, an indication of a selected keyword that was selected by the user from the ranked list of keywords in response to the presenting; and

    responsive to receiving the indication of the selected keyword, updating the database to increase the weighted relationship between the initial keyword and the selected keyword.

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