@InProceedings{zhang-EtAl:2009:ACLIJCNLP2,
  author    = {Zhang, Huibin  and  Zhu, Mingjie  and  Shi, Shuming  and  Wen, Ji-Rong},
  title     = {Employing Topic Models for Pattern-based Semantic Class Discovery},
  booktitle = {Proceedings of the Joint Conference of the 47th Annual Meeting of the ACL and the 4th International Joint Conference on Natural Language Processing of the AFNLP},
  month     = {August},
  year      = {2009},
  address   = {Suntec, Singapore},
  publisher = {Association for Computational Linguistics},
  pages     = {459--467},
  url       = {http://www.aclweb.org/anthology/P/P09/P09-1052}
}