KDDC: Knowledge-Driven Disentangled Causal Metric Learning for Pre-Travel Out-of-Town Recommendation. - Yinghui Liu; Guojiang Shen; Chengyong Cui; Zhenzhen Zhao; Xiao Han 004; Jiaxin Du; Xiangyu Zhao 001; Xiangjie Kong 001 (IJCAI, 2024)