PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Some of these galaxies are the most luminous ever found, 1,000 times more luminous than our own.
http://www.w3.org/ns/prov#wasQuotedFrom
  • theatlantic.com