PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Even better: is there such a standard which must be followed by websites dealing with sensitive information such as banks and government web services?
http://www.w3.org/ns/prov#wasQuotedFrom
  • stackexchange.com