PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As the inert gas used in the cooling process described above, any gas may be used in addition to air so far as it is a chemically inert gas such as nitrogen, argon or carbon dioxide.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com