PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • He opposed minimum wage laws and other price controls because they interfered with the price system, which he called one of the most valuable instruments of modern society.
http://www.w3.org/ns/prov#wasQuotedFrom
  • econlib.org