PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Thus it was decided that a near-term system should be able to remove debris up to an altitude of 800 km (this would protect the ISS as well as systems such as Teledesic and Iridium); a longer term system should be effective up to 1,500-km altitude.
http://www.w3.org/ns/prov#wasQuotedFrom
  • spacefuture.com