PAN, Shilong; TIAN, Zhiliang; YU, Wanlong; HUANG, Zhen; QIU, Qingyu; CHEN, Zihan; SUN, Zhonghao; HUANG, Minlie; LI, Dongsheng. WALKSAFE: Risk-aware Graph Random Walk with Bi-GRPO for LLM Safety. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 40, n. 38, p. 32655–32663, 2026. DOI: 10.1609/aaai.v40i38.40543. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/40543. Acesso em: 16 may. 2026.