PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • There are ways to address all of your problems, such as having the vehicles require at least a two continuous year registration by the current owner (to prevent beaters being turned in by used car dealers) and requiring a national emissions test might be a better idea.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freakonomics.com