Classification-based Quality Estimation: Small and Efficient Models for Real-world Applications Shuo Sun author Ahmed El-Kishky author Vishrav Chaudhary author James Cross author Lucia Specia author Francisco Guzmán 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 sun-etal-2021-classification 10.18653/v1/2021.emnlp-main.474 https://aclanthology.org/2021.emnlp-main.474/ 2021-11 5865 5875