Xia, Lianghao, Chao Huang, Yong Xu, Peng Dai, Xiyue Zhang, Hongsheng Yang, Jian Pei, and Liefeng Bo. “Knowledge-Enhanced Hierarchical Graph Transformer Network for Multi-Behavior Recommendation”. Proceedings of the AAAI Conference on Artificial Intelligence 35, no. 5 (May 18, 2021): 4486-4493. Accessed April 19, 2024. https://ojs.aaai.org/index.php/AAAI/article/view/16576.