| 摘要 |
PROBLEM TO BE SOLVED: To improve the service of a network shop by making it possible to hold merchandise information inputted into a shopping cart over a long period, without damaging the reliability of the network shop and maintaining the waiting state of the final purchase decision for a long period. SOLUTION: A Web service 2b presents the merchandise information to end users 3a to 3c, stores the merchandise information selected by the end users 3a to 3c into a storage means (e.g., a browser cache), also performs purchase procedure of merchandise on the basis of the stored merchandise information, when the end users 3a to 3c indicate purchase, and sets up the storage period of the merchandise information, in matching with at least the selling period of the merchandise. |
