| 摘要 |
The present invention specifies the attribute item that a user focuses on when selecting a transaction article. This information processing device is provided with: a first extraction means that extracts transaction articles for which the transaction article information, which includes attribute values of the transaction article, was browsed within a preset period of time from the browsing time of transaction article information of transaction articles registered in a list, said list having registered therein the transaction articles selected by a user from among transaction articles for which the transaction article information was browsed by the user; a second extraction means that extracts, from the transaction articles extracted by the first extraction means, the transaction articles that are not registered in the list; and a specification means that specifies, among a plurality of attribute items, the attribute item that the user focuses on for transaction articles, on the basis of attribute values for which the settings are different between the transaction items registered in the list and the transaction items extracted by the second extraction means. |
