PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Customer-service agents will now be able to engage with users and support customers directly within the social network, and information such as how-to guides is automatically synchronized between service portals and the Facebook app.
http://www.w3.org/ns/prov#wasQuotedFrom
  • adweek.com