@InProceedings{li-EtAl:2010:SemEval,
  author    = {Li, Shiqi  and  Liu, Pengyuan  and  Zhao, Tiejun  and  Lu, Qin  and  Li, Hanjing},
  title     = {PKU\_HIT: An Event Detection System Based on Instances Expansion and Rich Syntactic Features},
  booktitle = {Proceedings of the 5th International Workshop on Semantic Evaluation},
  month     = {July},
  year      = {2010},
  address   = {Uppsala, Sweden},
  publisher = {Association for Computational Linguistics},
  pages     = {304--307},
  url       = {http://www.aclweb.org/anthology/S10-1067}
}