HU, Yanli; LIU, Teng; ZHOU, Zhuangyi; ZENG, Weixin; TAN, Zhen; ZHAO, Xiang. Iterative Multi-Granular RAG with Contextual Hierarchical Graph. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 40, n. 37, p. 31095–31103, 2026. DOI: 10.1609/aaai.v40i37.40370. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/40370. Acesso em: 31 may. 2026.