PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The first example is often used, because I cannot know which currency should be used for the customer - so setting the currency while converting is a must have for me.
http://www.w3.org/ns/prov#wasQuotedFrom
  • zend.com