@inproceedings{spectrasparsestructuredtext,
  title = {SPECTRA: Sparse Structured Text Rationalization},
  author = {Nuno Miguel Guerreiro and André F. T. Martins},
  year = {2021},
  booktitle = {EMNLP 2021 11},
  eprint = {2109.04552},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2109.04552v1},
}