ZHANG, Yaoze; WU, Rong; CAI, Pinlong; WANG, Xiaoman; YAN, Guohang; MAO, Song; WANG, Ding; SHI, Botian. LeanRAG: Knowledge-Graph-Based Generation with Semantic Aggregation and Hierarchical Retrieval. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 40, n. 41, p. 34862–34869, 2026. DOI: 10.1609/aaai.v40i41.40789. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/40789. Acesso em: 15 may. 2026.