PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • That???s still too high for anyone except NASA (which isn???t interested in low-cost approaches), but the development of reusable launch vehicles will bring that figure down. > From a pure science point-of-view, it???s not clear that we should put those kinds of resources into this target,
http://www.w3.org/ns/prov#wasQuotedFrom
  • spacepolitics.com