REN, Yongwen; WANG, Chao; DU, Peng; QIN, Chuan; SHEN, Dazhong; XIONG, Hui. Enhancing Conversational Recommender Systems with Tree-Structured Knowledge and Pretrained Language Models. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 40, n. 18, p. 15671–15679, 2026. DOI: 10.1609/aaai.v40i18.38597. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/38597. Acesso em: 26 may. 2026.