PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Flow generator 34 receives a supply of breathing gas 38, which can be oxygen or an oxygen mixture, including air, from any suitable source, such as a pressurized tank of gas or ambient atmosphere.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com