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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	This is a restriction, and cannot be enforced without copyright.There is a body of works that are not subject to copyright called the public domain (i.e. outside the system).
http://www.w3.org/ns/prov#wasQuotedFrom	arstechnica.com