LI, Yinglu; LU, Zhiying; LIU, Zhihang; SUN, Yiwei; LIU, Chuanbin; XIE, Hongtao. RegionRAG: Region-level Retrieval-Augmented Generation for Visual Document Understanding. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 40, n. 8, p. 6662–6670, 2026. DOI: 10.1609/aaai.v40i8.37597. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/37597. Acesso em: 12 may. 2026.