@InProceedings{luong-pham-manning:2015:EMNLP,
  author    = {Luong, Minh-Thang  and  Pham, Hieu  and  Manning, Christopher D.},
  title     = {Effective Approaches to Attention-based Neural Machine Translation},
  booktitle = {Proceedings of the 2015 Conference on Empirical Methods in Natural Language Processing},
  month     = {September},
  year      = {2015},
  address   = {Lisbon, Portugal},
  publisher = {Association for Computational Linguistics},
  pages     = {1412--1421},
  url       = {http://aclweb.org/anthology/D15-1166}
}