PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • My guess is that the code you show is an example of future-proofing, the idea being that the User class might do something a lot more detailed in the future, or get the credentials from some other source, rather than having name and password passed to its constructor.
http://www.w3.org/ns/prov#wasQuotedFrom
  • stackoverflow.com