@InProceedings{li-zhang-chen:2014:P14-1,
  author    = {Li, Zhenghua  and  Zhang, Min  and  Chen, Wenliang},
  title     = {Ambiguity-aware Ensemble Training for Semi-supervised Dependency Parsing},
  booktitle = {Proceedings of the 52nd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)},
  month     = {June},
  year      = {2014},
  address   = {Baltimore, Maryland},
  publisher = {Association for Computational Linguistics},
  pages     = {457--467},
  url       = {http://www.aclweb.org/anthology/P/P14/P14-1043}
}