PCC: Paraphrasing with Bottom-k Sampling and Cyclic Learning for Curriculum Data Augmentation Hongyuan Lu author Wai Lam author 2023-05 text Proceedings of the 17th Conference of the European Chapter of the Association for Computational Linguistics Andreas Vlachos editor Isabelle Augenstein editor Association for Computational Linguistics Dubrovnik, Croatia conference publication lu-lam-2023-pcc 10.18653/v1/2023.eacl-main.5 https://aclanthology.org/2023.eacl-main.5/ 2023-05 68 82