@inproceedings{NEURIPS2022_00226294, author = {Ding, Yucheng and Niu, Chaoyue and Wu, Fan and Tang, Shaojie and Lyu, Chengfei and feng, yanghe and Chen, Guihai}, booktitle = {Advances in Neural Information Processing Systems}, editor = {S. Koyejo and S. Mohamed and A. Agarwal and D. Belgrave and K. Cho and A. Oh}, pages = {1--13}, publisher = {Curran Associates, Inc.}, title = {Federated Submodel Optimization for Hot and Cold Data Features}, url = {https://proceedings.neurips.cc/paper_files/paper/2022/file/002262941c9edfd472a79298b2ac5e17-Paper-Conference.pdf}, volume = {35}, year = {2022} }