@inproceedings{whatdoesbertlookatananalysisofberts,
  title = {What Does BERT Look At? An Analysis of BERT's Attention},
  author = {Kevin Clark and Urvashi Khandelwal and Omer Levy and Christopher D. Manning},
  year = {2019},
  booktitle = {WS 2019 8},
  eprint = {1906.04341},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1906.04341v1},
}