The Eval4NLP Shared Task on Explainable Quality Estimation: Overview and Results Marina Fomicheva author Piyawat Lertvittayakumjorn author Wei Zhao author Steffen Eger author Yang Gao 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 fomicheva-etal-2021-eval4nlp 10.18653/v1/2021.eval4nlp-1.17 https://aclanthology.org/2021.eval4nlp-1.17/ 2021-11 165 178