@Book{EMNLP:2015,
  editor    = {Lluís Màrquez  and  Chris Callison-Burch  and  Jian Su},
  title     = {Proceedings of the 2015 Conference on Empirical Methods in Natural Language Processing},
  month     = {September},
  year      = {2015},
  address   = {Lisbon, Portugal},
  publisher = {Association for Computational Linguistics},
  url       = {http://aclweb.org/anthology/D15-1}
}