PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Again, there needs to be some sort of mechanism to make the fast neutrons contribute to the exhaust velocity.
http://www.w3.org/ns/prov#wasQuotedFrom
  • centauri-dreams.org