@inproceedings{suzuki-nagata-2013-supervised,
    title = "Supervised Model Learning with Feature Grouping based on a Discrete Constraint",
    author = "Suzuki, Jun  and
      Nagata, Masaaki",
    editor = "Schuetze, Hinrich  and
      Fung, Pascale  and
      Poesio, Massimo",
    booktitle = "Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers)",
    month = aug,
    year = "2013",
    address = "Sofia, Bulgaria",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/P13-2004/",
    pages = "18--23"
}