@inproceedings{XuePalmer:2003:SIGHAN,
  author = {Xue, Nianwen  and  Palmer, Martha},
  title  = {Annotating the Propositions in the {Penn Chinese Treebank}},
  booktitle = {Proceedings of the Second SIGHAN Workshop on Chinese Language Processing},
  editor = {Qing Ma and Fei Xia},
  url    = {http://www.aclweb.org/anthology/W03-1707.pdf},
  year   = 2003,
  pages  = {47--54}
}