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Identifying negative keywords associated with advertisements

  • US 8,229,942 B1
  • Filed: 04/17/2007
  • Issued: 07/24/2012
  • Est. Priority Date: 04/17/2007
  • Status: Active Grant
First Claim
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1. A computer-implemented method, comprising:

  • identifying a content item, the content item being associated with one or more keywords that are used in determining whether to embed the content item in web pages including search results;

    extracting from a search log a plurality of previously-submitted search criteria that have resulted in presentation of the content item in respective search result web pages for the search criteria due to respective associations between the search criteria and the keywords of the content item;

    identifying, from among the plurality of previously-submitted search criteria, at least one search criterion that is irrelevant to a topic of the content item, based on one or more evaluation criteria; and

    evaluating, by one or more processors, respective recurrences of terms in the at least one irrelevant search criterion to identify a partial subset of the terms as one or more negative keywords for the content item,wherein identifying the at least one irrelevant search criterion is further based on at least on metrics representing probabilities that terms of each of the plurality of previously-submitted search criteria occurs within one or more keyword clusters of the content item.

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