| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an information presentation system for enabling a user to easily select desired content from the past content that the user used in the past. Ž<P>SOLUTION: A content presentation device detects at least either a motion of a prescribed part of a user or a prescribed operation to the content presentation device during a usage period when the content presentation device presents content to the user (S10: Yes), and prepares detection information (S15). The content presentation device calculates the user's degree of interest in the content during the usage period on the basis of the detection information (S15). The content presentation device associates the degree of interest with content information on the content that the user used and prepares a usage history (S25). The content presentation device edits the usage history on the basis of the degree of interest and prepares presentation information including the content information and the degree of interest (S35) and presents the presentation information to the user (S40). Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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