ITEM RECOMMENDATION SYSTEM, ITEM RECOMMENDATION METHOD, AND COMPUTER PROGRAM PRODUCT

摘要

According to an embodiment, an item recommendation system includes a first recommendation engine that selects, from a group of items, first recommended items predicted to match with preference of a user; a second recommendation engine that selects second recommended items which do not match with the preference of the user but are expected to be of interest to the user; a mixer that mixes the first recommended and second recommended items and forms a group of recommended items; a user interface that presents the group of recommended items in an operable manner to the user; a calculator that calculates the level of interest indicating the degree of user satisfaction with respect to the group of recommended items; and a ratio control unit that, based on the calculated level of interest, varies the mixing ratio of the first recommended items and the second recommend items in the group of recommended items.