About: http://webisa.webdatacommons.org/230033463

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	That said, there are a few things I see which might help you on your way with this function:
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com