About: http://webisa.webdatacommons.org/396855679

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 had the same problem and after a lot of head scratching - the sort of scratching like a dog with a bad case of fleas - I got it to work.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com