Phrase-level Textual Adversarial Attack with Label Preservation Yibin Lei author Yu Cao author Dianqi Li author Tianyi Zhou author Meng Fang author Mykola Pechenizkiy author 2022-07 text Findings of the Association for Computational Linguistics: NAACL 2022 Marine Carpuat editor Marie-Catherine de Marneffe editor Ivan Vladimir Meza Ruiz editor Association for Computational Linguistics Seattle, United States conference publication lei-etal-2022-phrase 10.18653/v1/2022.findings-naacl.83 https://aclanthology.org/2022.findings-naacl.83/ 2022-07 1095 1112