About: http://webisa.webdatacommons.org/52940432

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http://www.w3.org/ns/prov#value	Checking that site, there is a demo posted that is clearly out of date.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com