@InProceedings{wu-zhao-xu:2006:SIGHAN,
  author    = {Wu, Youzheng  and  Zhao, Jun  and  Xu, Bo},
  title     = {Cluster-Based Language Model for Sentence Retrieval in Chinese Question Answering},
  booktitle = {Proceedings of the Fifth SIGHAN Workshop on Chinese Language Processing},
  month     = {July},
  year      = {2006},
  address   = {Sydney, Australia},
  publisher = {Association for Computational Linguistics},
  pages     = {56--63},
  url       = {http://www.aclweb.org/anthology/W/W06/W06-0108}
}