@InProceedings{li-zhang-zhu:2008:IR4QA,
  author    = {Li, Fangtao  and  Zhang, Xian  and  Zhu, Xiaoyan},
  title     = {Answer Validation by Information Distance Calculation},
  booktitle = {Coling 2008: Proceedings of the 2nd workshop on Information Retrieval for Question Answering},
  month     = {August},
  year      = {2008},
  address   = {Manchester, UK},
  publisher = {Coling 2008 Organizing Committee},
  pages     = {42--49},
  url       = {http://www.aclweb.org/anthology/W08-1806}
}