About: http://webisa.webdatacommons.org/82321625

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	However, if safe recording may be made without the content of the media key storage table becoming disclosed to devices other than the device which records the media key in the media key storage table, encryption is not mandatory.
http://www.w3.org/ns/prov#wasQuotedFrom	google.de