PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The standby gas is preferably a non-oxidizing gas such as nitrogen or argon and can be the same gas as the start gas.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com