PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Because the primary function of the telescope is to collect photons or light energy and not to provide exquisite imaging performance, since the system is a spectrometer first, the performance and therefore the cost of the telescope could be relaxed from what a purely imaging system would require.
http://www.w3.org/ns/prov#wasQuotedFrom
  • spacedaily.com