| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve the accuracy of distributing content to a user by automatically expanding and adding attribute information of the user whose attribute is not grasped, and to enable browsing action of the user to be used to analyze content demand with higher contribution. <P>SOLUTION: A user attribute information expansion device (3) includes user attribute information giving means (35) for acquiring user attribute information set about one user selecting content and setting the user attribute information as user attribute information for selected content, and a user attribute information returning means (36) for setting user attribute information set in the content as user attribute information of another user selecting the content in which the user attribute information is set by the user attribute information giving means. <P>COPYRIGHT: (C)2013,JPO&INPIT |
