PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Many questions use graphs, charts, and other images, such as editorial cartoons, along with or instead of written passages.Questions involving economics as well as civics and government rely heavily on practical documents, such as tax forms, voter-registration forms, and workplace and personal budgets.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wyzant.com