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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	Anything that could be construed as advert related should be avoided i.e. ad-spot, banner, 468x60 banner etc.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com