@inproceedings{guerreiro-martins-2021-spectra,
    title = "{SPECTRA}: Sparse Structured Text Rationalization",
    author = "Guerreiro, Nuno M.  and
      Martins, Andr{\'e} F. T.",
    editor = "Moens, Marie-Francine  and
      Huang, Xuanjing  and
      Specia, Lucia  and
      Yih, Scott Wen-tau",
    booktitle = "Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing",
    month = nov,
    year = "2021",
    address = "Online and Punta Cana, Dominican Republic",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/2021.emnlp-main.525/",
    doi = "10.18653/v1/2021.emnlp-main.525",
    pages = "6534--6550"
}