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Sorting media objects by similarity

  • US 7,840,568 B2
  • Filed: 05/16/2006
  • Issued: 11/23/2010
  • Est. Priority Date: 05/16/2006
  • Status: Active Grant
First Claim
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1. A computerized method comprising:

  • sorting, with a recommendation computer, attributes of multimedia objects into preference levels according to an ordering of the attributes, the ordering determined by analysis of past user activity;

    computing a weight for each preference level;

    computing an attribute weight for each of the attributes as a function of a corresponding preference level weight and a maximum possible number of values for a corresponding attribute, wherein the maximum possible number of values is a multiplicative factor in the computing of the attribute weight; and

    computing a similarity value between one of the multimedia objects and another multimedia object based on the attribute weights and a number of matches between the values of attributes common to the one of the multimedia objects and the another multimedia object.

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