@inproceedings{liu-etal-2013-pal,
    title = "{PAL}: A Chatterbot System for Answering Domain-specific Questions",
    author = "Liu, Yuanchao  and
      Liu, Ming  and
      Wang, Xiaolong  and
      Wang, Limin  and
      Li, Jingjing",
    editor = "Butt, Miriam  and
      Hussain, Sarmad",
    booktitle = "Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics: System Demonstrations",
    month = aug,
    year = "2013",
    address = "Sofia, Bulgaria",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/P13-4012/",
    pages = "67--72"
}