| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To solve such a problem that it is difficult for a user to find a desired content only by keyword search. <P>SOLUTION: A feature space setting part 28 places a plurality of contents to be browsed at coordinate positions defined by respective feature quantities of the main contents in a feature space with a feature quantity to feature the contents as a coordinate axis. A virtual space generation part 34 places the main contents in the virtual space by mapping the main content placed in the feature space onto points in a virtual space. A noticing content specifying part 38 specifies a feature quantity of a noticing content noticed by a user on the basis of the feature quantity of the main contents which the user searches for the virtual space and visits. A related content determination part 40 uses the feature quantity which the noticing content has as a selection reference and selects a sub-content different in kind from the main contents as a related content. A virtual space display part 36 displays the related content to a place in the virtual place where the user searches. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
