PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In a method other than the constructor, the class name of the actual object can be obtained by calling ref() on the object reference, so
http://www.w3.org/ns/prov#wasQuotedFrom
  • metacpan.org