PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Its popularity may be the result of its push to unify each of its services, such as Gmail, Google+, YouTube, Android and Play, under a single Google identity.
http://www.w3.org/ns/prov#wasQuotedFrom
  • janrain.com