PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Lawyers are using social network websites such as Twitter and Facebook (facebook.com) as a means of attracting and communicating with clients and potential clients.
http://www.w3.org/ns/prov#wasQuotedFrom
  • michbar.org