@QueryParam("referer") String refererUri,
@QueryParam("cause") Integer cause) {
TrailingSlash.enforceNotPresent(uriInfo);
GraphNode result = new GraphNode(new BNode(), new SimpleMGraph());
result.addProperty(RDF.type, LOGIN.LoginPage);
result.addProperty(LOGIN.refererUri, new UriRef(refererUri));
String user = getUserName();
if (!user.equals("anonymous") && cause != null &&
cause.equals(CookieAuthentication.NOT_ENOUGH_PERMISSIONS)) {
try {
result.addProperty(LOGIN.message, new PlainLiteralImpl("The user " +