About: http://webisa.webdatacommons.org/171628978

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 have awarded this as an answer and give it the bounty because is the most complete answer..
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com