public function getAllUsers($options = [], $filters = [GenerisRdf::PROPERTY_USER_LOGIN => '*'])
    {
        $userClass = new core_kernel_classes_Class(TaoOntology::CLASS_URI_TAO_USER);
		$options = array_merge(['recursive' => true, 'like' => true], $options);

		return (array) $userClass->searchInstances($filters, $options);
    }