PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • These containers are used to ship, store, and dispense products such as nitrogen, oxygen, argon, helium, hydrogen, carbon dioxide nitrous oxide, krypton, neon, methane, and xenon.
http://www.w3.org/ns/prov#wasQuotedFrom
  • empirecylinder.net