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Information filtering system and information filtering method

  • US 7,162,487 B2
  • Filed: 12/29/2003
  • Issued: 01/09/2007
  • Est. Priority Date: 12/26/1997
  • Status: Expired due to Term
First Claim
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1. An information filtering system, comprising:

  • score calculating means for calculating a score from first information that is adapted to be picked up from an information storage medium or an information communications network, wherein said score is adapted to quantitatively evaluate whether access to said first information is appropriate or not for an information user, or for a group of information users to which an information user belongs; and

    access control meansadapted to determine whether or not access to said first information should be denied to said information user by comparing said score with a predetermined threshold, andadapted to transmit a signal, indicating that the access to said first information is not allowed, to a user terminal, from which said information user requested said first information, when said calculated score signal is inconsistent with said threshold.

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