PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Fuel types may include nonfinancial commodities such as coal, natural gas, uranium products, heating oil, and biomass or waste products including wood chips, tires, and manure.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cftc.gov