@inproceedings{martins-etal-2011-structured,
    title = "Structured Sparsity in Structured Prediction",
    author = "Martins, Andr{\'e}  and
      Smith, Noah  and
      Figueiredo, M{\'a}rio  and
      Aguiar, Pedro",
    editor = "Barzilay, Regina  and
      Johnson, Mark",
    booktitle = "Proceedings of the 2011 Conference on Empirical Methods in Natural Language Processing",
    month = jul,
    year = "2011",
    address = "Edinburgh, Scotland, UK.",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/D11-1139/",
    pages = "1500--1511"
}