Empirical Study of Text Augmentation on Social Media Text in Vietnamese Son Luu author Kiet Nguyen author Ngan Nguyen author 2020-10 text Proceedings of the 34th Pacific Asia Conference on Language, Information and Computation Minh Le Nguyen editor Mai Chi Luong editor Sanghoun Song editor Association for Computational Linguistics Hanoi, Vietnam conference publication luu-etal-2020-empirical https://aclanthology.org/2020.paclic-1.53/ 2020-10 462 470