PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Astrobiologists use telescopes, interferometers, spectrometers and other devices to discover suitable locations for life, find life's physical or chemical precursors, and identify signs of past or current biological activity.
http://www.w3.org/ns/prov#wasQuotedFrom
  • setileague.org