| http://www.w3.org/ns/prov#value | - The controller 314 of the integral IC card 310 stores the received card information in the storage 312, and updates various types of data including the electronic money balance. [0204] The operation described above takes only a few seconds at the latest, and it is completed while the person interested in buying a commodity is holding the integral IC card 310 in step S301.
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