| 摘要 |
Biological certification information of a user A and access certification information for each user are stored in a memory in an electronic circuit that is installed on a disc. At the time of driving the disc, the user's biological certification information and the biological certification information stored in the electronic circuit are compared and access certification information is sent out to a network when both information agree to each other. At the network, connection of the user's terminal to a service community is permitted when the user is determined to be an authorized one based on the received access certification information. Determined in the service community are an on-duty concierge who takes care of the service request by the user's terminal and an administration concierge who monitors communication information between the user and the on-duty concierge. Then, the administration concierge keeps monitoring communication information between the terminals used by the user and the on-duty concierge for generating a warning or compulsively interrupting the communication when the monitoring information meets the predetermined condition.
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