PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Taking N-acetyl cysteine by mouth seems to help prevent problems, such as heart attack and stroke, in people with serious kidney disease.
http://www.w3.org/ns/prov#wasQuotedFrom
  • webmd.com