Extract, Denoise and Enforce: Evaluating and Improving Concept Preservation for Text-to-Text Generation Yuning Mao author Wenchang Ma author Deren Lei author Jiawei Han author Xiang Ren 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 mao-etal-2021-extract 10.18653/v1/2021.emnlp-main.413 https://aclanthology.org/2021.emnlp-main.413/ 2021-11 5063 5074