| http://www.w3.org/ns/prov#value | - [0166] The details of a process for a client to purchase or preview the content will be described with reference to FIG. 11 and the subsequent figures. [0167]FIG. 11 shows an initial communication sequence of steps in a content purchase process performed between a client having a client application and a browser, such as a PC, and a shop server, a content server, a license server, and a management
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