PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The flexible enclosure is a sealed gas impervious pouch filled with a non-corrosive gas such as nitrogen, carbon dioxide, argon, helium, etc.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com