@InProceedings{yan-EtAl:2016:P16-11,
  author    = {Yan, Zhao  and  Duan, Nan  and  Bao, Junwei  and  Chen, Peng  and  Zhou, Ming  and  Li, Zhoujun  and  Zhou, Jianshe},
  title     = {DocChat: An Information Retrieval Approach for Chatbot Engines Using Unstructured Documents},
  booktitle = {Proceedings of the 54th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)},
  month     = {August},
  year      = {2016},
  address   = {Berlin, Germany},
  publisher = {Association for Computational Linguistics},
  pages     = {516--525},
  url       = {http://www.aclweb.org/anthology/P16-1049}
}