PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • (a) If the name of the person charged is unknown, he may be described as unknown, with such addition as will identify him.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nationalarchives.gov.uk