PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For no reason other than to annoy and frustrate the authors use different notation than what is normally used for similar (or identical) equations.
http://www.w3.org/ns/prov#wasQuotedFrom
  • amazon.co.uk