PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However in the last part of 1998, some European currencies, such as the German Mark rose substantially in speculative foreign exchange trading so that the Euro was launched at about $1.18.
http://www.w3.org/ns/prov#wasQuotedFrom
  • monetary.org