CONF Lu_NW_2024/IDIAP ZooPFL: Exploring Black-box Foundation Models for Personalized Federated Learning Lu, Wang Yu, Hao Wang, Jindong Teney, Damien Wang, Haohan Chen, Yiqiang Yang, Qiang Xie, Xing Ji, Xiangyang NeurIPS 2024 Workshop on Federated Learning 2024 https://arxiv.org/abs/2310.05143 URL