PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The ???industrial capability??? you require to support, say, refueling for 800 satellites with???say???1000 kg bunkerage expended over 10 years is a facility that can produce 80 tons of propellant a year.
http://www.w3.org/ns/prov#wasQuotedFrom
  • spacepolitics.com