PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The construction of powerful hydro-electric stations on the Volga, Dnieper, Don, Kama, Angara, Irtysh, Ob and other rivers which has been undertaken in the fifth Five-Year Plan is of great importance for the further electrification of the U.S.S.R. Some of these schemes are the largest in the world.
http://www.w3.org/ns/prov#wasQuotedFrom
  • marxists.org