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Content/information search system

  • US 20070282836A1
  • Filed: 08/01/2007
  • Published: 12/06/2007
  • Est. Priority Date: 09/05/2001
  • Status: Active Grant
First Claim
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1. A central server, comprising:

  • a retaining unit that generates and retains key data to be attached to a user search history and to be connected with an identifying information of a first user, when the first user has performed a search operation;

    a sending unit that sends the key data to a user terminal operated by the first user; and

    an identifying unit that identifies the first user by verifying matching between the key data retained by the retaining unit and key data included in the user search history of the first user, when a second user obtains information by referencing the user search history of the first user.

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