PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Time was a problem because for the ancient Greeks there was no way to accurately measure it; i.e. they could not get a precise fix on the position of Jupiter at midnight if they did not tell that it was midnight.
http://www.w3.org/ns/prov#wasQuotedFrom
  • conservapedia.com