@InProceedings{zhang-chai:2010:EMNLP,
  author    = {Zhang, Chen  and  Chai, Joyce},
  title     = {Towards Conversation Entailment: An Empirical Investigation},
  booktitle = {Proceedings of the 2010 Conference on Empirical Methods in Natural Language Processing},
  month     = {October},
  year      = {2010},
  address   = {Cambridge, MA},
  publisher = {Association for Computational Linguistics},
  pages     = {756--766},
  url       = {http://www.aclweb.org/anthology/D10-1074}
}