PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This may be the case, but there is a problem with holding the signature apart from the physical act that defines its authenticity.
http://www.w3.org/ns/prov#wasQuotedFrom
  • metafilter.com