@article{naturallanguageadversarialattacksand,
  title = {Natural Language Adversarial Defense through Synonym Encoding},
  author = {Xiaosen Wang and Hao Jin and Yichen Yang and Kun He},
  year = {2019},
  eprint = {1909.06723},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1909.06723v4},
}