About: http://webisa.webdatacommons.org/392594937

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	I know I am resurrecting a ghost here, but I had the same problem, and wanted to share what I think is the best solution.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com