PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Today, Facebook says more than 15,000 sites have implemented the service, including YouTube, CNN, Digg and Microsoft's XBox Live service for garners.
http://www.w3.org/ns/prov#wasQuotedFrom
  • questia.com