PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • An essentially non-oxidizing atmosphere can be achieved, for example, through the use of vacuum or inert gases such as argon.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com