PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Currency exchange site Oanda.com uses a map-based Java application to show fluctuations in world currency exchange rates: the countries are coloured based on whether their currencies are up or down, and by how much, compared to the selected country.
http://www.w3.org/ns/prov#wasQuotedFrom
  • maproomblog.com