@inproceedings{Ratnaparkhi01,
  author	= {Ratnaparkhi, Adwait},
  editor	= {Horvitz, Eric and Paek, Tim and Thompson, Cynthia},
  title		= {Modeling information novelty in a conversational system with a hybrid statistical and grammar-based approach to surface natural language generation},
  booktitle	= {Proceedings of the NAACL workshop on adaption in dialogue systems},
  pages		= {49--56},
  year		= {2001},
  address	= {Pittsburgh, PA},
  month		= jun,
  organization	= {North American Chapter of the Association for Computational Linguistics}
}