Liu, T., Sun, Y., Wu, J., Xu, X., Han, Y., Li, C. and Gong, B. 2023. Unsupervised Paraphrasing under Syntax Knowledge. Proceedings of the AAAI Conference on Artificial Intelligence. 37, 11 (Jun. 2023), 13273-13281. DOI:https://doi.org/10.1609/aaai.v37i11.26558.