| http://www.w3.org/ns/prov#value | - With reference to FIG. 3, the PC 2 includes a controller 201 that performs overall control of the PC 2, an input unit 202 having a keyboard and a mouse or the like that enables input of various types of information and commands, a display unit 203 that performs display of various types of information, a communication unit 204 forming a communication interface or the like, an information processing
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