PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The mission you describe could be designed with present technology but the cost and other priorities preclude such a thing.
http://www.w3.org/ns/prov#wasQuotedFrom
  • unmannedspaceflight.com