PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It is thought to be a portion of a gas-cloud, mostly made up of hydrogen, heated by the jet from a black hole.
http://www.w3.org/ns/prov#wasQuotedFrom
  • blogspot.com