A Robustly Optimized BERT Pre-training Approach with Post-training Liu Zhuang author Lin Wayne author Shi Ya author Zhao Jun author 2021-08 text eng Proceedings of the 20th Chinese National Conference on Computational Linguistics Sheng Li editor Maosong Sun editor Yang Liu editor Hua Wu editor Kang Liu editor Wanxiang Che editor Shizhu He editor Gaoqi Rao editor Chinese Information Processing Society of China Huhhot, China conference publication zhuang-etal-2021-robustly https://aclanthology.org/2021.ccl-1.108/ 2021-08 1218 1227