@inproceedings{li-etal-2008-answer,
    title = "Answer Validation by Information Distance Calculation",
    author = "Li, Fangtao  and
      Zhang, Xian  and
      Zhu, Xiaoyan",
    editor = "Greenwood, Mark A.",
    booktitle = "Coling 2008: Proceedings of the 2nd workshop on Information Retrieval for Question Answering",
    month = aug,
    year = "2008",
    address = "Manchester, UK",
    publisher = "Coling 2008 Organizing Committee",
    url = "https://aclanthology.org/W08-1806/",
    pages = "42--49"
}