FairVFL: A Fair Vertical Federated Learning Framework with Contrastive Adversarial Learning. - Qi, Tao; Wu, Fangzhao; Wu, Chuhan; Lyu, Lingjuan; Xu, Tong; Liao, Hao; Yang, Zhongliang; Huang, Yongfeng; Xie, Xing (2022)