| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a content extraction technology for facilitating selection of a viewing candidate when there is poor similarity between recorded contents and even when deviation occurs in the similarity. <P>SOLUTION: This content extracting device A is provided with a content DB 2 for receiving a digital broadcast signal and recording content (television program or the like), a content arrangement coordinate operating part 6 for calculating a similarity (distance) between contents and calculating two-dimensional arrangement coordinates, a content extracting part 7 for extracting the predetermined number of contents to be displayed, and a content display part 20 for displaying the extracted contents. An arrangement coordinates acquiring part 7a acquires content located at a predetermined distance from the content DB 2 on the basis of content Ki viewed just before starting retrieval. A center of gravity narrowing part 7c divides a circumferential area of a distance r into n areas in order to narrow down to n contents when the number N of contents is larger than a prescribed number n, calculates the position of a center of gravity of each area and extracts content located at the center of gravity. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
