PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Alternatively, fuels such as coal, fuel oil, propane, natural gas and even waste oil can be used instead of wood, allowing the owner flexibility in their choice of fuels.
http://www.w3.org/ns/prov#wasQuotedFrom
  • intogreenenergy.com