@InProceedings{varges:2006:INLG,
  author    = {Varges, Sebastian},
  title     = {Overgeneration and Ranking for Spoken Dialogue Systems},
  booktitle = {Proceedings of the Fourth International Natural Language Generation Conference},
  month     = {July},
  year      = {2006},
  address   = {Sydney, Australia},
  publisher = {Association for Computational Linguistics},
  pages     = {20--22},
  url       = {http://www.aclweb.org/anthology/W/W06/W06-1404}
}