| http://www.w3.org/ns/prov#value | - Here, however, an explanation will be given of the UCP and UCS contained in each secure container. [0113] UCP [0114] The UCP is data given by the content provider 200 and describing the distribution policy and handling policy of the content data. [0115] A concrete content of the UCP is shown in FIG. 6. [0116] As illustrated, the UCP contains information such as the ID for specifying content data,
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