PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Propellants within this definition include various hydrocarbons, especially fluoro-chloro-derivatives of methane and ethane, low molecular weight hydrocarbons such as the propanes, butanes and pentanes, and compressed gases such as carbon dioxide, nitrogen and nitrous oxide.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com