PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Valves are coupled to a pipeline and are typically used to shut off or turn on the flow of a fluid, such as a liquid, gas or both.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com