PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • But they are all based on observation???or supposed observation anyway, because the question of the status and observational accuracy and neutrality of the observer is one of the points of discussion???of a number of facts of cosmology, physics, and other features of the known universe.
http://www.w3.org/ns/prov#wasQuotedFrom
  • newworldencyclopedia.org