@InProceedings{liu-chua:2001:ACL,
  author    = {Jimin Liu  and  Tat-Seng Chua},
  title     = {Building Semantic Perceptron Net for Topic Spotting},
  booktitle = {Proceedings of 39th Annual Meeting of the Association for Computational Linguistics},
  month     = {July},
  year      = {2001},
  address   = {Toulouse, France},
  publisher = {Association for Computational Linguistics},
  pages     = {378--385},
  url       = {http://www.aclweb.org/anthology/P01-1049},
  doi       = {10.3115/1073012.1073061}
}