@inproceedings{analyzingmultiheadselfattention,
  title = {Analyzing Multi-Head Self-Attention: Specialized Heads Do the Heavy Lifting, the Rest Can Be Pruned},
  author = {Elena Voita and David Talbot and Fedor Moiseev and Rico Sennrich and Ivan Titov},
  year = {2019},
  booktitle = {ACL 2019 7},
  eprint = {1905.09418},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1905.09418v2},
}