About: http://webisa.webdatacommons.org/214768488

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	This is probably splitting hairs, but I think that technically speaking a field is considered a kind of variable.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com