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Method and system for identifying keywords for use in placing keyword-targeted advertisements

  • US 7,752,200 B2
  • Filed: 08/09/2004
  • Issued: 07/06/2010
  • Est. Priority Date: 08/09/2004
  • Status: Active Grant
First Claim
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1. A computer-implemented method for identifying search terms for advertising an item, the method comprising:

  • identifying the item proposed for advertising;

    submitting a description of the item to a search engine service;

    receiving search results provided by the search engine service corresponding to the description of the item;

    analyzing web pages corresponding to the received search results to identify phrases of words within the web pages that are related to the item, the identifying of the phrases including generating a first score for at least some of the words of the web pages and generating a second score for phrases based at least in part on the first score of said at least some of the words within the phrases;

    the first score being generated based at least in part on a relative value of;

    a first average frequency of the word in the web pages, said first average frequency based at least in part upon a first frequency of the word for a plurality of the web pages corresponding to the received search results;

    a second average frequency of the word in a general corpus of web pages, said second average frequency based at least in part upon a second frequency of the word for the general corpus of web pages;

    the relative value of the first average frequency with respect to the second average frequency indicating a level of relevance of the word to the item; and

    deriving search terms for advertising the item from the identified phrases of the search results based at least in part upon the second score for each of the identified phrases.

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