PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The alternative to a pure hydrogen supply is to produce a hydrogen-rich gas stream where the fuel supply is an easily compressible gas or liquid hydrocarbon such as methane, natural gas or gasoline.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com