PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The problem of leaving foreign objects, such as surgical instruments and sponges, in patients after surgery has been of great concern ever since modern surgery began.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com