To give sensibility information accurately to a predetermined content even if the country or the culture is different.

A content acquisition section 71 acquires a plurality of contents to which labels showing user's subjective evaluation of the contents are given as a metadata, a label selection section 72 selects a label having high reliability in the evaluation of the contents among the labels given to the plurality of contents acquired by the content acquisition section 71, a similarity calculation section 73 calculates a similarity between the labels selected by the label selection section 72, a clustering section 74 clusters the labels, based on the degree of similarity calculated by the similarity calculation section 73, and a label DB 77 stores a cluster obtained as a result of the clustering by the clustering section 74 as one label. The present invention is applicable to a server that provides contents.