PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In the mid-1960s a few scientists and engineers, notably James E. McDonald, a University of Arizona at Tucson meteorologist, and J. Allen Hynek, a Northwestern University at Evanston, Illinois astronomer, concluded that a small percentage of the most reliable UFO reports gave definite indications of the presence of extraterrestrial visitors.
http://www.w3.org/ns/prov#wasQuotedFrom
  • datasync.com