PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A migraine is a vascular-type headache characterized by a sharp pounding pain located within one side of the head.
http://www.w3.org/ns/prov#wasQuotedFrom
  • doctormurray.com