PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The oxidizing gas may be diluted with an inert gas such as nitrogen (N2), helium (He), and argon (Ar).
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com