PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • They have shown some pictures/video of autonomous tethered flight, but it appeared not to be generating power, but rather free-flying.Second, I gather that tether drag is an issue that is not entirely solved, and attempting to solve it with aerodynamic fairings creates its own problems.
http://www.w3.org/ns/prov#wasQuotedFrom
  • phys.org