About: http://webisa.webdatacommons.org/201178256

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	Their solution is a hack, it is a slightly better implemented hack then the version the Windows desktop uses, but it is indeed a hack.
http://www.w3.org/ns/prov#wasQuotedFrom	arstechnica.com