| http://www.w3.org/ns/prov#value | - For example it might be done after a period of time has passed such as every 2 days, or after a number of viewings or presentations has been exceeded, when a random number generator provides a predetermined result, or re-encryption can be remotely commanded by distribution service 120 or in some cases by content owner 132, by sending a message to e-PVR 110.
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