LI, Yuyuan et al. FedAU2: Attribute Unlearning for User-Level Federated Recommender Systems with Adaptive and Robust Adversarial Training. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 40, n. 28, p. 23310–23318, 2026. DOI: 10.1609/aaai.v40i28.39500. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/39500. Acesso em: 14 may. 2026.