PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For thirty years, Stephen Hawking, one of the world's most respected physicists, claimed that energy and matter can never escape black holes.
http://www.w3.org/ns/prov#wasQuotedFrom
  • kidzworld.com