@misc{song2018natural,
  title={The Natural Auditor: How To Tell If Someone Used Your Words To Train Their Model},
  author={Congzheng Song and Vitaly Shmatikov},
  year={2018},
  eprint={1811.00513},
  archivePrefix={arXiv},
  primaryClass={cs.CR},
  url={https://arxiv.org/abs/1811.00513}
}