@inproceedings{hierarchicaltransformerfortaskoriented,
  title = {Hierarchical Transformer for Task Oriented Dialog Systems},
  author = {Bishal Santra and Potnuru Anusha and Pawan Goyal},
  year = {2020},
  booktitle = {NAACL 2021 4},
  eprint = {2011.08067},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2011.08067v3},
}