| 摘要 |
A system includes a first device and one or more second devices that each provides a user with usage information for using target information, based on control information, wherein the first device has a memory that stores the control information which contains device information and condition information, so as to be associated with the target information, a receiving unit that receives from a requester a request, an inquiry unit that inquires of the second device, when the requester is not managed by its own device, about whether the requester is managed by the device, and a providing unit that provides the requester, when, based on a response to the inquiry and the memory, the requester is managed by the second device designated by the device information, with the usage information, based on the condition information, and the second device has a response unit that sends the response to the inquiry.
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