@article{zhang2008new,
  title={New information distance measure and its application in question answering system},
  author={Zhang, Xian and Hao, Yu and Zhu, Xiao-Yan and Li, Ming},
  journal={Journal of Computer Science and Technology},
  volume={23},
  number={4},
  pages={557--572},
  year={2008},
  publisher={Springer}
}