PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • I do not know how well this code would behave in CCL, ECL or Clisp and other implementations, which might or might not be able to do the same.
http://www.w3.org/ns/prov#wasQuotedFrom
  • lispforum.com