PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In most places, a witness to a signature, particularly one on a legal document such as an affidavit, must be present and actually see the signatory add the signature.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ratbags.com