On the Evaluation Metrics for Paraphrase Generation Lingfeng Shen author Lemao Liu author Haiyun Jiang author Shuming Shi author 2022-12 text Proceedings of the 2022 Conference on Empirical Methods in Natural Language Processing Yoav Goldberg editor Zornitsa Kozareva editor Yue Zhang editor Association for Computational Linguistics Abu Dhabi, United Arab Emirates conference publication shen-etal-2022-evaluation 10.18653/v1/2022.emnlp-main.208 https://aclanthology.org/2022.emnlp-main.208/ 2022-12 3178 3190