PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It would then follow that the object could have been an extraterrestrial aircraft moving in the area -- either leaving or returning to base -- but which then encountered mechanical or other difficulties.
http://www.w3.org/ns/prov#wasQuotedFrom
  • halexandria.org