Ren Y, Wang C, Du P, Qin C, Shen D, Xiong H. Enhancing Conversational Recommender Systems with Tree-Structured Knowledge and Pretrained Language Models. AAAI [Internet]. 2026 Mar. 14 [cited 2026 May 26];40(18):15671-9. Available from: https://ojs.aaai.org/index.php/AAAI/article/view/38597