| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem that there is danger to perform a commercial transaction such as selling of articles or provision of services utilizing the Internet, especially, the transaction between individuals at an inadequate price by performing the transaction leaving a proper price unclear. SOLUTION: Information on articles or services is acquired from a demander, who desires the transaction of articles or provision of services, and on the basis of such information, the transaction price of articles or provision price of services is estimated. At the same time, information on articles or services and an estimated price are provided to a person, who performs the transaction of articles or provision of services, and the person, who desires the transaction of articles or provision of services, and the person to perform the transaction of articles or provision of services are mediated. |
