| http://www.w3.org/ns/prov#value | - Electronic device according to claim 19, wherein the electronic device is a video camera, a digital camera, a goggles-type display, a navigation system, a sound reproduction device, a lap-top computer, a game machine, a portable information terminal, a mobile telephone, a portable game machine, an electronic book, or an image reproduction device including a recording medium. 21.
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