Shared data management system, shared data management device, shared data management method, and computer program

摘要

A shared data managing device is provided which manages shared data by setting an access right on a first user account basis. The first user account has a first identifier and first user information on a first user receiving a first service. The device includes an obtaining portion for obtaining, from a service providing system for a second service, a second identifier of a second user account used for the second service and second user information on a second user; a pairing portion for making a pair of the first identifier and the second identifier of the first user account and the second user account that are common in the first user information and the second user information; and a transmission portion for sending, to the service providing system, the shared data, the pair made, and the access right on a first user account basis.