On the Limitations of Cross-lingual Encoders as Exposed by Reference-Free Machine Translation Evaluation Wei Zhao author Goran Glavaš author Maxime Peyrard author Yang Gao author Robert West author Steffen Eger author 2020-07 text Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics Dan Jurafsky editor Joyce Chai editor Natalie Schluter editor Joel Tetreault editor Association for Computational Linguistics Online conference publication zhao-etal-2020-limitations 10.18653/v1/2020.acl-main.151 https://aclanthology.org/2020.acl-main.151/ 2020-07 1656 1671