PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • After that, I would keep the ISS and COTS first, since they are what could lead to a sustainable decrease in launch costs in the future, Earth observation and applications missions second, and recognize that everything else is a luxury to be funded when and if there are resources available.
http://www.w3.org/ns/prov#wasQuotedFrom
  • spacepolitics.com