PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Cigarette smoke and industrial exhaust contain large amounts of these types of molecules, which are known to be damaging to human tissues, particularly the lungs.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wisegeek.com