PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • We propose to define ???water distribution system??? to mean a system to carry water from its primary source to its point of use, including pipes, sprinklers, irrigation canals, pumps, valves, storage tanks, reservoirs, meters, and fittings.
http://www.w3.org/ns/prov#wasQuotedFrom
  • federalregister.gov