Patent ID: 8306992
Filing Date: 2012-11-06
Classification: G06Q,G10L

Abstract:
1. A content topicality determination system comprising: an information processing apparatus; a feature extractor that inputs a plurality of the contents from a content storage, extracts features for each of said plurality of the contents; a content grouping unit that collates the features of a plurality of the contents extracted by said feature extractor with each other, groups identical contents and derived contents produced by using the above identical contents to be included in said plurality of the contents, based on the result of said collation, and calculates identical/derived content grouping information; and a topicality determination unit that inputs viewing frequencies of the contents from a content viewing history storage, totals viewing frequencies of the contents determined to be the identical/derived contents from said input viewing history information of said plurality of the contents and said identical/derived content grouping information, calculates a total viewing frequency for each identical/derived content, and determines topicality of said identical/derived content based upon said total viewing frequency.