| 摘要 |
PROBLEM TO BE SOLVED: To rapidly and adequately provide hub-like content concerning an information retrieval, information recommendation, or information providing service and system. SOLUTION: A retrieval ranking device includes a control part for receiving retrieved content information and returning the score of the content information, a content analyzing part for obtaining the attribute value of the content information based on one or both of the content information and information concerning an outlink, and a score computing part for calculating the score of the content information, based on the attribute value of the content information. COPYRIGHT: (C)2011,JPO&INPIT
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