| 摘要 |
The service server can be operated in a more practical rate structure by extending the storage period and/or reducing the recording fee for the information with high utilization factor, or increasing the recording fee for the information with low utilization factor among the information stored in the service server. The service server comprises a receiving device which receives the information of image from a communication device on the information supplier side and records a recording fee of the received information, a transmitting and receiving device which transmits the information recorded in the recording device to a communication device on the information demander side upon an information service request from the information demander side, a counting device (information processing device) which counts an information service number from the information demander side, a recording device which records the counted information service number to be associated with the information supplier, and a recording fee calculating device (information processing device) which calculates a recording fee by reducing or increasing the recording fee recorded in the recording device.
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