PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The game is especially beautiful because his opponent was a very strong Russian Master (later Grandmaster and the Soviet Champion) Grigory Levenfish.
http://www.w3.org/ns/prov#wasQuotedFrom
  • chess.com