BERT, mBERT, or BiBERT? A Study on Contextualized Embeddings for Neural Machine Translation Haoran Xu author Benjamin Van Durme author Kenton Murray author 2021-11 text Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing Marie-Francine Moens editor Xuanjing Huang editor Lucia Specia editor Scott Wen-tau Yih editor Association for Computational Linguistics Online and Punta Cana, Dominican Republic conference publication xu-etal-2021-bert 10.18653/v1/2021.emnlp-main.534 https://aclanthology.org/2021.emnlp-main.534/ 2021-11 6663 6675