PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The change around friend lists and that data, in particular, has allowed it to launch the graph API, and the Like buttons and other social plugins that populate the web today.
http://www.w3.org/ns/prov#wasQuotedFrom
  • techcrunch.com