@InProceedings{sagae-johnson-bodnar:2010:SIGDIAL,
  author    = {Sagae, Alicia  and  Johnson, W. Lewis  and  Bodnar, Stephen},
  title     = {Validation of a Dialog System for Language Learners},
  booktitle = {Proceedings of the SIGDIAL 2010 Conference},
  month     = {September},
  year      = {2010},
  address   = {Tokyo, Japan},
  publisher = {Association for Computational Linguistics},
  pages     = {241--244},
  url       = {http://www.aclweb.org/anthology/W/W10/W10-4344}
}