PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Pumps, valves and other equipment to generate flow of fluids are used to generate hydrodynamic forces.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com