@inproceedings{wang2020catgen, title={CAT-Gen: Improving Robustness in NLP Models via Controlled Adversarial Text Generation}, author={Tianlu Wang and Xuezhi Wang and Yao Qin and Ben Packer and Kang Lee and Jilin Chen and Alex Beutel and Ed Chi}, booktitle={Conference on Empirical Methods in Natural Language Processing (EMNLP)}, year={2020} }