CONTENT RECOMMENDATION DEVICE AND CONTENT RECOMMENDATION METHOD

摘要

A content recommendation device deciding content to be recommended to a user among a plurality of content items includes: a clustering section creating a cluster set including clusters by clustering use statuses of content of users on the basis of a predetermined index; an effectiveness determining section determining effectiveness of the clustering by evaluating a correlation between the content and the cluster in the cluster set; a popular content deciding section selecting the cluster to which the user who becomes a recommendation partner belongs from the cluster set and deciding the popularity degree of each content item in accordance with the use status of each content item by the users in the cluster; and a recommended content deciding section evaluating the popularity degree of each content item in the cluster to which the user who becomes the recommendation partner belongs by taking into account and estimating the effectiveness of the cluster set therein and deciding the relatively popular content item among the content items as the content item to be recommended.