PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Gaseous hydrocarbons such as Propane, N-butane, Isobutane, Acetylene, Propylene, Butene: Method of solidifying a gaseous hydrocarbon, method of handling a gaseous hydrocarbon; method of regenerating a gaseous hydrocarbon.
http://www.w3.org/ns/prov#wasQuotedFrom
  • yet2.com