| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a mediating system for electronic commercial transaction collectively managing a plurality of electronic commercial sites offering a common service and exchanging various incentive points at an adjustable rate. <P>SOLUTION: This mediating system for electronic commercial transaction is provided with a first rental server part 25 receiving a contribution from a user 31 via a first web site 14, a second rental server 26 receiving a contribution from another user 33 via a second web site 17, a value increasing/decreasing means 10 increasing/decreasing a first value amount on the basis of an evaluation result of the contribution contents of the user 31, a value cashing means 29 responding to access from the user 31 to exchange the first value for the second value used in the second rental server 26 at the adjustable rate and storing the second value in a value storage part 28 in association with the user 31, and a commodity purchase means 30 exchanging the second value amount for a commodity selected by the user inside the second rental server part 26. <P>COPYRIGHT: (C)2004,JPO |
