PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Even XCOR has demonstrated it with their previous aircraft.I have no doubt they can get it to fly in atmosphere just fine, but space is a different matter.
http://www.w3.org/ns/prov#wasQuotedFrom
  • arstechnica.com