PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • According to The Economist, American freight trains are the most efficient in the world, having reduced rates by 55 percent since 1981.
http://www.w3.org/ns/prov#wasQuotedFrom
  • gjsentinel.com