About: http://webisa.webdatacommons.org/67306009

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	Though, I think the answer is a combination of this and what @C.Zakas says.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com