@InProceedings{Meng2022selfsupervised, author= {Zhao Meng and Yihan Dong and Mrinmaya Sachan and Roger Wattenhofer}, title= {{Self-Supervised Contrastive Learning with Adversarial Perturbations for Defending Word Substitution-based Attacks}}, booktitle= {{Annual Conference of the North American Chapter of the Association for Computational Linguistics (NAACL), Seattle}}, month= {July}, year= {2022}, }