@article{discreteattacksandsubmodularoptimization,
  title = {Discrete Adversarial Attacks and Submodular Optimization with Applications to Text Classification},
  author = {Qi Lei and Lingfei Wu and Pin-Yu Chen and Alexandros G. Dimakis and Inderjit S. Dhillon and Michael Witbrock},
  year = {2018},
  eprint = {1812.00151},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1812.00151v2},
}