PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The Sanaga River long has been a commercial waterway, for transporting hardwood, ivory and other items to more urban areas.
http://www.w3.org/ns/prov#wasQuotedFrom
  • chiefsplanet.com