PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • relatively easy, fast, and cheap to build. fusion on the other hand is a whole other ballgame. and to build interstellar spacecraft, a fusion reactor onboard is what it is going to take, like the fission reactors onboard submarines and aircraft carriers.
http://www.w3.org/ns/prov#wasQuotedFrom
  • blogspot.com