PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • I doubt that the majority would object to the former, but the the latter is a problem due to its proprietary nature.
http://www.w3.org/ns/prov#wasQuotedFrom
  • data.gov.uk