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Information filtering method and apparatus for preferentially taking out information having a high necessity

  • US 6,901,392 B1
  • Filed: 02/09/2001
  • Issued: 05/31/2005
  • Est. Priority Date: 09/04/1995
  • Status: Expired due to Term
First Claim
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1. A metric learning apparatus which reflects, into a metric signal, a relationship between a user'"'"'s response to provided information and a keyword attached to the information, the information including information data and one or more keywords made up of a character stream and attached to the information data, the apparatus comprising:

  • information providing means for providing the user with the information data;

    inputting means for enabling the user to input a signal indicating that the provided information data is necessary or unnecessary;

    vector converting means for converting a keyword group signal to a vector signal, the keyword group signal consisting of at least one keyword signal attached to each piece of information;

    metric learning means for assigning to the metric signal a value to predict a user'"'"'s necessity degree to the keyword on the basis of both of the signal showing that each information data is necessary or unnecessary and the vector signal; and

    metric memorizing means for memorizing the metric signal.

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