Reference-Free Word- and Sentence-Level Translation Evaluation with Token-Matching Metrics Christoph Wolfgang Leiter author 2021-11 text Proceedings of the 2nd Workshop on Evaluation and Comparison of NLP Systems Yang Gao editor Steffen Eger editor Wei Zhao editor Piyawat Lertvittayakumjorn editor Marina Fomicheva editor Association for Computational Linguistics Punta Cana, Dominican Republic conference publication leiter-2021-reference 10.18653/v1/2021.eval4nlp-1.16 https://aclanthology.org/2021.eval4nlp-1.16/ 2021-11 157 164