About: http://webisa.webdatacommons.org/60462406

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	While the following article is a few years old, it walks you through the why is and hows:
http://www.w3.org/ns/prov#wasQuotedFrom	serverfault.com