@inproceedings{morita-etal-2013-subtree,
    title = "Subtree Extractive Summarization via Submodular Maximization",
    author = "Morita, Hajime  and
      Sasano, Ryohei  and
      Takamura, Hiroya  and
      Okumura, Manabu",
    editor = "Schuetze, Hinrich  and
      Fung, Pascale  and
      Poesio, Massimo",
    booktitle = "Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)",
    month = aug,
    year = "2013",
    address = "Sofia, Bulgaria",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/P13-1101/",
    pages = "1023--1032"
}