WEI, Chunyu; QIN, Huaiyu; HE, Siyuan; WANG, Yunhai; CHEN, Yueguo. T-Retriever: Tree-based Hierarchical Retrieval Augmented Generation for Textual Graphs. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 40, n. 19, p. 15924–15932, 2026. DOI: 10.1609/aaai.v40i19.38625. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/38625. Acesso em: 15 may. 2026.