PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In the Fall of 1929, and the Spring of 1930, the Federal Farm Board, by purchases of wheat, cotton and other commodities, maintained the prices of farm products.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nyu.edu