About: http://webisa.webdatacommons.org/198760587

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	your code works perfectly but here is a problem that does not make sense.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com