PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • To ensure optimal visual performance at night when viewing objects inside and outside the cockpit, a pilot's eyes should be adapted for mesopic vision [i.e., night vision]??? if the eyes are briefly exposed to a source of intensely bright light, such as from a laser, while in a mesopic state of adaptation, temporary visual impairment will almost certainly occur.
http://www.w3.org/ns/prov#wasQuotedFrom
  • alpa.org