@InProceedings{crook-lemon:2010:SIGDIAL,
  author    = {Crook, Paul A.  and  Lemon, Oliver},
  title     = {Representing Uncertainty about Complex User Goals in Statistical Dialogue Systems},
  booktitle = {Proceedings of the SIGDIAL 2010 Conference},
  month     = {September},
  year      = {2010},
  address   = {Tokyo, Japan},
  publisher = {Association for Computational Linguistics},
  pages     = {209--212},
  url       = {http://www.aclweb.org/anthology/W/W10/W10-4336}
}