CAO, Sizhong. Bi-Level Preference Optimization for Retrieval-Augmented Generation (Student Abstract). Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 40, n. 48, p. 41149–41150, 2026. DOI: 10.1609/aaai.v40i48.42194. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/42194. Acesso em: 28 may. 2026.