PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • To be considered a recreational vehicle, in North America, a unit must provide at least four of the following permanently installed living systems: cooking, refrigeration or ice box, self-contained toilet, heating or air conditioning, a potable water system including water tank, faucet and sink, separate 120 volt electrical system, sleeping facilities and LP gas supply.
http://www.w3.org/ns/prov#wasQuotedFrom
  • rvbasics.com