PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • M4 is a globular cluster visible in dark skies about one degree west of the bright star Antares in the constellation Scorpius.
http://www.w3.org/ns/prov#wasQuotedFrom
  • astronet.ru