Patent ID: 7873798
Filing Date: 2011-01-18
Classification: G06F,H04N

Abstract:
1. An information processing apparatus comprising: grouping means for organizing delivered contents into groups each constituted by the contents which are given the same group identification (ID) for having degrees of similarity higher than a predetermined value regarding a grouping item including at least one attribute item representative of a content attribute; calculating means for calculating frequency of uses of the contents with respect to each of the group IDs; generating means for generating user preference information indicating preferences of a user based on the use frequency calculated by said calculating means, said generating means generating the user preference information based on a normalized use frequency for each group, said normalized use frequency normalized by dividing each use frequency of each content in each respective group by a number of all the contents in the respective group delivered during a time period corresponding to a use history; and recommending means for giving content recommendations based on said user preference information generated by said generating means.