PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The review data may contain values to indicate whether an item is blank or no change was made, added, deleted, or changed.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.co.uk