PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Orbiting observatories can cover wavelengths which the atmosphere does not let pass through, such as ultra-violet light or X-rays.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nasa.gov