To Augment or Not to Augment? A Comparative Study on Text Augmentation Techniques for Low-Resource NLP Gözde Gül Şahin author 2022-03 text journal article Computational Linguistics continuing MIT Press Cambridge, MA periodical academic journal sahin-2022-augment 10.1162/coli_a_00425 https://aclanthology.org/2022.cl-1.2/ 2022-03 48 1 5 42