PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Research and Development overseas has centred mainly on Natural Gas, with most engines being either purpose built, or converted to run entirely on gas.
http://www.w3.org/ns/prov#wasQuotedFrom
  • torquegas.com.au