About: http://webisa.webdatacommons.org/353756168

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	To me, the practice seems legit (if done carefully), although I doubt any results are particularly useful by themselves.
http://www.w3.org/ns/prov#wasQuotedFrom	slashdot.org