@inproceedings{zhu-etal-2021-gaml, title = "{GAML}-{BERT}: Improving {BERT} Early Exiting by Gradient Aligned Mutual Learning", author = "Zhu, Wei and Wang, Xiaoling and Ni, Yuan and Xie, Guotong", editor = "Moens, Marie-Francine and Huang, Xuanjing and Specia, Lucia and Yih, Scott Wen-tau", booktitle = "Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing", month = nov, year = "2021", address = "Online and Punta Cana, Dominican Republic", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/fix-sig-urls/2021.emnlp-main.242/", doi = "10.18653/v1/2021.emnlp-main.242", pages = "3033--3044" }