About: http://webisa.webdatacommons.org/418096057

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	some validity to the expression, as there is an entire book written on the subject
http://www.w3.org/ns/prov#wasQuotedFrom	gamasutra.com