@article{semitiedunitsforefficientgatinginlstm,
  title = {Semi-tied Units for Efficient Gating in LSTM and Highway Networks},
  author = {Chao Zhang and Philip Woodland},
  year = {2018},
  eprint = {1806.06513},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1806.06513v1},
}