PROBLEM TO BE SOLVED: To provide an Internet outlet mall wherein a person who wants to sell secondhand articles can easily run a virtual shop or become a virtual tenant.;SOLUTION: A head-office server 10 is provided with stock management 20 which manages head-office stocks 21 and member stocks 22, member information 30, article information management 40, delivery arrangement 50, and sales management 60 and further the head-office server 10 is provided with a Web site 70 of members that customers browse. The member Web site 70 is provided with a member inviting site 71 for inviting new sales members and, for example, a member AS, etc., as member's Web sites. Further, the head-office server 10 is provided with a member-only site 80 that members A, etc., can browse by using passwords and data of the head-office stocks 21 and article information management 40 are downloaded to the member-only site 80, so that the members A, etc., can download and use the data.;COPYRIGHT: (C)2002,JPO
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