PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • When it is left to the market, currencies, such as the Japanese Yen and the US dollar, may remain continually overvalued for extended periods of time (ten or even twenty years).
http://www.w3.org/ns/prov#wasQuotedFrom
  • economist.com