PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Beta blockers are prescription drugs used to treat high blood pressure, abnormal heart rates, congestive heart failure, and other cardiac problems.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wisegeek.com