PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In fact there were a number of steps taken which would if anything reduce domestic oil production, such as the windfall profits tax from 1980-1988.
http://www.w3.org/ns/prov#wasQuotedFrom
  • econbrowser.com