PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A backend may be implemented as a database, another application server or other server, or some other remote machine in communication with an application on an application server.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com