PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Ozone is a gas which, properly interfaced with biological systems or pathologically afflicted tissues, exerts significant therapeutic activity.
http://www.w3.org/ns/prov#wasQuotedFrom
  • o3center.org