PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Tor is a very common workaround for users in totalitarian regimes to access Twitter, Gmail, Facebook and other services.
http://www.w3.org/ns/prov#wasQuotedFrom
  • reuters.com