ITEM SELECTION DEVICE, ITEM SELECTION METHOD, AND ITEM SELECTION-USE PROGRAM

摘要

Disclosed is an item selection device for performing selection of recommended items for each user, wherein for each record of usage of an item by a user, an elapsed value, which is the difference between the creation point of time or the provision starting point of time of the item and a predetermined point of time, is calculated, and usage characteristics for each user are acquired on the basis of the elapsed value. Also, for each item, a freshness value indicating the degree of newness is calculated. In addition, using correspondence rules for which characteristics differ according to the usage characteristics, the freshness value of each item is applied to the correspondence rule corresponding to the usage characteristics of each user to calculate a novelty index (S420), priorities of the items are calculated for each user on the basis of the novelty indexes (S430), and item selection is made to be performed (S440).