PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • To reduce the downtime of an aircraft, its equipment, whether mechanical such as valves, pumps, etc., electrical such as switches, relays, batteries, etc., or electronic such as automatic pilot, navigation and other computers, is, as often as possible, designed so as to be able to be easily removed and rapidly replaced by standard exchange.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com