PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Gases such as nitrogen, argon, carbon dioxide or mixtures thereof are typically the major components of inert atmospheres, although other unreactive gases may be used.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com