About: http://webisa.webdatacommons.org/148100302

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	If you do not need to support IE7, the following is a great, concise hack:
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com