ParaMac: A General Unsupervised Paraphrase Generation Framework Leveraging Semantic Constraints and Diversifying Mechanisms Jinxin Liu author Jiaxin Shi author Ji Qi author Lei Hou author Juanzi Li author Qi Tian author 2022-12 text Findings of the Association for Computational Linguistics: EMNLP 2022 Yoav Goldberg editor Zornitsa Kozareva editor Yue Zhang editor Association for Computational Linguistics Abu Dhabi, United Arab Emirates conference publication liu-etal-2022-paramac 10.18653/v1/2022.findings-emnlp.461 https://aclanthology.org/2022.findings-emnlp.461/ 2022-12 6193 6206