PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Folders assembled and maintained by Lucas over many years contain notes, correspondence, drafts, clippings, reports, course and departmental files, and other material related to topics such as business cycles, monetary theory, rational expectations, economic growth, supply-side economics, and unemployment.
http://www.w3.org/ns/prov#wasQuotedFrom
  • duke.edu