| 摘要 |
PROBLEM TO BE SOLVED: To specify useful information for a user in selecting merchandise.SOLUTION: Based on merchandise specific information 11 which specifies a plurality of pieces of merchandise in which a customer is interested and registration information 12 in which information about each of a plurality of items for each piece of merchandise is registered, an information processing device 10 extracts an item in which different information is registered among the plurality of pieces of merchandise. The Information processing device 10 outputs the information registered in the extracted item as comparison information 13. Useful information may be specified for a customer in selecting merchandise. |
