| 摘要 |
[Problem] To provide an information processing device, an information presentation method, a program, and a system that can recommend products that better meet needs, without recommending products that a user owns. [Solution] An information processing device that comprises: a selection unit that uses a property information memory unit that stores information about the property of a user to select as products not to be recommended and presented to the user at least products that the user owns; and an output unit that outputs product recommendation information from which the products selected not to be recommended and presented have been excluded. |
