@article{tang2013information,
  title={Information distance between what I said and what it heard},
  author={Tang, Yang and Wang, Di and Bai, Jing and Zhu, Xiaoyan and Li, Ming},
  journal={Communications of the ACM},
  volume={56},
  number={7},
  pages={70--77},
  year={2013},
  publisher={ACM}
}