| US 7,577,645 B2 | ||
| Information processing device and information processing method, recording medium, and computer program | ||
| Noriyuki Yamamoto, Kanagawa (Japan); Mitsuhiro Miyazaki, Kanagawa (Japan); Mari Saito, Kanagawa (Japan); and Hiroyuki Koike, Kanagawa (Japan) | ||
| Assigned to Sony Corporation, Tokyo (Japan) | ||
| Appl. No. 10/538,181 PCT Filed Dec. 12, 2003, PCT No. PCT/JP03/15926 § 371(c)(1), (2), (4) Date Feb. 01, 2006, PCT Pub. No. WO2004/054246, PCT Pub. Date Jun. 24, 2004. |
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| Claims priority of application No. 2002-361277 (JP), filed on Dec. 12, 2002. | ||
| Prior Publication US 2006/0129547 A1, Jun. 15, 2006 | ||
| This patent is subject to a terminal disclaimer. | ||
| Int. Cl. G06F 7/00 (2006.01) | ||
| U.S. Cl. 707—4 | 20 Claims |
| 1. An information processing apparatus for executing a process of selecting a content suiting preference of a user, comprising:
attribute information obtaining means for obtaining attribute information of said content;
operation history obtaining means for obtaining an operation history of said user;
preference information generating means for generating first preference information indicating positive factors of the preference
of said user and second preference information indicating negative factors of the preference of said user on a basis of said
operation history obtained by said operation history obtaining means; and
recommendation information generating means for generating recommendation information indicating the content recommended for
viewing to said user by calculating a degree of similarity between said first preference information and said attribute information
and a degree of similarity between said second preference information and said attribute information independently of each
other.
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