| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a user with information that can give novelty to the user, while considering substantial preference of the user, with a low processing load. <P>SOLUTION: There is provided an information processing apparatus including: a difference applying unit that obtains, according to difference feature information indicating a difference between first feature information characterizing an action of a target user and second feature information characterizing another action performed by the target user after the foregoing action is performed and third feature information characterizing an action newly performed by the target user, fourth feature information; and a target extracting unit that extracts information based on the fourth feature information. <P>COPYRIGHT: (C)2013,JPO&INPIT |
