@InProceedings{challenge:2012:INLG2012,
  author    = {Challenge, Generation},
  title     = {Preface to Papers for GenChal},
  booktitle = {INLG 2012 Proceedings of the Seventh International Natural Language Generation Conference},
  month     = {May},
  year      = {2012},
  address   = {Utica, IL},
  publisher = {Association for Computational Linguistics},
  pages     = {134--135},
  url       = {http://www.aclweb.org/anthology/W12-1524}
}