@InProceedings{chen-ji:2009:SSLNLP,
  author    = {Chen, Zheng  and  Ji, Heng},
  title     = {Can One Language Bootstrap the Other: A Case Study on Event Extraction},
  booktitle = {Proceedings of the NAACL HLT 2009 Workshop on Semi-supervised Learning for Natural Language Processing},
  month     = {June},
  year      = {2009},
  address   = {Boulder, Colorado},
  publisher = {Association for Computational Linguistics},
  pages     = {66--74},
  url       = {http://www.aclweb.org/anthology/W09-2209}
}