PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • I have been studying the theories and research of Plato, Stephen Hawking, Einstein and others on subjects such as black holes, white holes, wormholes, sacred geometry, Klein surfaces, physics, higher dimensions and space-time.
http://www.w3.org/ns/prov#wasQuotedFrom
  • umich.edu