PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For more general needs, there is nothing wrong about adding a method to initialize-instance, i.e. defining a constructor as you would in Java.
http://www.w3.org/ns/prov#wasQuotedFrom
  • lispforum.com