PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A businessman who is travelling on a full-fare economy ticket is still very lucrative for an airline, but one not travelling at all is a problem.
http://www.w3.org/ns/prov#wasQuotedFrom
  • airliners.net