@Book{ENLG:2015,
  editor    = {Anya Belz  and  Albert Gatt  and  Fran\c{c}ois Portet  and  Matthew Purver},
  title     = {Proceedings of the 15th European Workshop on Natural Language Generation (ENLG)},
  month     = {September},
  year      = {2015},
  address   = {Brighton, UK},
  publisher = {Association for Computational Linguistics},
  url       = {http://www.aclweb.org/anthology/W15-47}
}