PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Why the star was a blue supergiant rather than a red supergiant, however, is something of a puzzle.
http://www.w3.org/ns/prov#wasQuotedFrom
  • astrophysicsspectator.com