Word-level Perturbation Considering Word Length and Compositional Subwords Tatsuya Hiraoka author Sho Takase author Kei Uchiumi author Atsushi Keyaki author Naoaki Okazaki author 2022-05 text Findings of the Association for Computational Linguistics: ACL 2022 Smaranda Muresan editor Preslav Nakov editor Aline Villavicencio editor Association for Computational Linguistics Dublin, Ireland conference publication hiraoka-etal-2022-word 10.18653/v1/2022.findings-acl.258 https://aclanthology.org/2022.findings-acl.258/ 2022-05 3268 3275