| http://www.w3.org/ns/prov#value | - For example, after the client device has identified the user, set-top box 220 may determine that the user is a minor and prevent the video or music file from being delivered to the client device. [0045] Input abstraction 540 provides an interface to an application 570 and a media player at media playback module 420 in order to interpret user actions via remote control, keyboard or any other type o
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