RECOMMENDATION INFORMATION GENERATION APPARATUS AND RECOMMENDATION INFORMATION GENERATION METHOD

摘要

Provided are a recommendation information generation apparatus and a recommendation information generation method which allow correct selection of a similar user even when an amount of history information is small. In this information distribution server (200), a user property vector calculation part (204) calculate user property vectors of the respective users, and a similar user calculation part (209) calculates similarity among users on the basis of the calculated user property vectors of the respective users. The similar user calculation part (209) selects a similar user similar to one user on the basis of the calculated similarity, and a relevance evaluation part (210) can generate recommendation information for the one user on the basis of the property vector of the selected similar user.