PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In addition, the forming gas may comprise one or more of other inert gases such as helium, neon and argon.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com