Retrofitting Structure-aware Transformer Language Model for End Tasks Hao Fei author Yafeng Ren author Donghong Ji author 2020-11 text Proceedings of the 2020 Conference on Empirical Methods in Natural Language Processing (EMNLP) Bonnie Webber editor Trevor Cohn editor Yulan He editor Yang Liu editor Association for Computational Linguistics Online conference publication fei-etal-2020-retrofitting 10.18653/v1/2020.emnlp-main.168 https://aclanthology.org/2020.emnlp-main.168/ 2020-11 2151 2161