PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As for creating gravity in a ship in a no/micro-gravity environment, spinning the ship is the most obvious choice.
http://www.w3.org/ns/prov#wasQuotedFrom
  • scienceblogs.com