Unsupervised Data Augmentation with Naive Augmentation and without Unlabeled Data David Lowell author Brian Howard author Zachary C Lipton author Byron Wallace 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 lowell-etal-2021-unsupervised 10.18653/v1/2021.emnlp-main.408 https://aclanthology.org/2021.emnlp-main.408/ 2021-11 4992 5001