@InProceedings{belz-gatt:2009:ENLG,
  author    = {Belz, Anja  and  Gatt, Albert},
  title     = {Generation {C}hallenges 2009: Preface},
  booktitle = {Proceedings of the 12th European Workshop on Natural Language Generation (ENLG 2009)},
  month     = {March},
  year      = {2009},
  address   = {Athens, Greece},
  publisher = {Association for Computational Linguistics},
  pages     = {162--164},
  url       = {http://www.aclweb.org/anthology/W09-0627}
}