| http://www.w3.org/ns/prov#value | - When content is processed by a device such as a receiver or a recording/playback unit, by detecting the watermark and controlling the processing in accordance with the watermark, reliable control can be realized. [0011] In the method that employs digital watermarking to protect of the copyright of content, etc., which is transmitted by using a recording medium such as an optical disk, or by media
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