PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • ???Studying the extragalactic background light allows us to overcome this limitation, because the background light is the sum of the light produced by all galaxies, including the ones that are too faint to be detected individually by traditional methods,??? he said.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cnn.com