PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • By the time Keynes got to publishing The General Theory, economics had already veered off into a sub-branch of mathematics, in which it was necessary to have tools such as calculus to model how the economy worked.
http://www.w3.org/ns/prov#wasQuotedFrom
  • agonist.org