Wang, X., Yang, Y., Deng, Y. and He, K. 2021. Adversarial Training with Fast Gradient Projection Method against Synonym Substitution Based Text Attacks. Proceedings of the AAAI Conference on Artificial Intelligence. 35, 16 (May 2021), 13997-14005. DOI:https://doi.org/10.1609/aaai.v35i16.17648.