PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A preferable diluent is hydrogen gas or a gaseous mixture of hydrogen with other inert gases such as helium, argon and nitrogen.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.ca