PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Comprising 400 entries on the people, places, inventions, and ideas that led to trade and travel in the Middle Ages, this encyclopaedia is a useful starting place for such topics as navigation, Viking travel, the Crusades, Marco Polo, and Mappamundi (a form of mediaeval cartography).
http://www.w3.org/ns/prov#wasQuotedFrom
  • utoronto.ca