PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As a fuel for the fuel reformer, there can be used a fossil fuel such as methane, propane or naphtha, and such a fuel is reformed with water vapor or the like to obtain a reformed gas, or alternatively methanol or ethanol may be subjected to a water vapor reforming treatment to obtain the reformed gas.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com