DATA STORAGE SYSTEM, DATA MANAGEMENT METHOD, DATA STORAGE SERVICE DEVICE, AND DATA TRANSFER METHOD

摘要

PROBLEM TO BE SOLVED: To use an on-line storage area for transfer of a data file without any security problem for improving convenience of an on-line storage service.;SOLUTION: A post office box area 12 is arranged in a storage area of each member. For receiving the data file from a user 5, a member user 2 registers the user 5 as a guest, and when the user 5 is registered as the guest, an invitation mail is sent to the user 5 registered as the guest. The user 5 receiving the invitation accesses a URL described in the mail and makes authentication based on the information described in the mail. When authentication is established, the data file can be uploaded to the post office box area 12 in the storage area 10 of the member user 2.;COPYRIGHT: (C)2004,JPO&NCIPI