PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The carrier fluid may be a completion or workover brine, salt water, fresh water, a liquid hydrocarbon, or a gas such as nitrogen or carbon dioxide.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com