PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A flow control valve for controlling the flow of fluid having a housing including a passage having an inlet and an outlet, a valving means obliquely disposed in said passage between the inlet and the outlet for controlling flow therebetween, said valving means comprising a valve seat obliquely disposed to the direction of flow and valve plug means complementary thereto for engaging said valve seat
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com