PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The onBeforeStoreUser event receives two arguments: the user object and a boolean flag indicating whether or not the user is a new one.
http://www.w3.org/ns/prov#wasQuotedFrom
  • stackoverflow.com