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System and method for indexing web content using click-through features

  • US 20070255689A1
  • Filed: 04/28/2006
  • Published: 11/01/2007
  • Est. Priority Date: 04/28/2006
  • Status: Active Grant
First Claim
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1. A method for indexing content items based on click-through features, the method comprising:

  • generating a training set comprising one or more query-content item pairs, wherein a given query-content item pair has one or more click-through features associated therewith;

    labeling one or more query-content item pairs in the training set by assigning click score thereto based on the one or more click-through features thereof;

    determining a click score function based on the click scores of the labeled query-content item pairs and the click-through features thereof;

    applying the click score function to a plurality of unlabeled query-content item pairs to determine click scores thereof based on the one or more click-through features of the unlabeled query-content item pairs.

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