MmiUri mmiUri = new MmiUri(generatedUsersUri);
String version = mmiUri.getVersion();
// unversioned URI for purposes of geting possible prior version, set up auqportal filename,
// graphId, and report it in the result back to caller:
final String unversUsersUri = mmiUri.copyWithVersion(null).getOntologyUri();
// info from previous version if any:
String ontologyId = null;
String ontologyUserId = null;
RegisteredOntologyInfo usersOntology = orrClient.getOntologyInfo(unversUsersUri);