PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • My interpretation of the Karrick process is that it differs from other coal-to-oil processes in that it is not a single product process but that it produces 5 commodities, heat, oil, smokeless fuel, gas and nitrogen and sulphur and other products.
http://www.w3.org/ns/prov#wasQuotedFrom
  • johnquiggin.com