PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Facebook's privacy section already allows users to control which of their friends can see content such as status updates and tagged photos, but the site remains a lightning rod in online privacy debates because it is so widely used and offers such an easy way to share personal information.
http://www.w3.org/ns/prov#wasQuotedFrom
  • pcworld.com