@misc{zhu2018lingke,
  title={Lingke: A Fine-grained Multi-turn Chatbot for Customer Service},
  author={Pengfei Zhu and Zhuosheng Zhang and Jiangtong Li and Yafang Huang and Hai Zhao},
  year={2018},
  eprint={1808.03430},
  archivePrefix={arXiv},
  primaryClass={cs.CL},
  url={https://arxiv.org/abs/1808.03430}
}