PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Because the difference is defined in terms of what happens when you change data, there???s one case where value and reference types overlap: when instances have no writable data.
http://www.w3.org/ns/prov#wasQuotedFrom
  • apple.com