@inproceedings{liu-etal-2017-structural,
    title = "Structural Embedding of Syntactic Trees for Machine Comprehension",
    author = "Liu, Rui  and
      Hu, Junjie  and
      Wei, Wei  and
      Yang, Zi  and
      Nyberg, Eric",
    editor = "Palmer, Martha  and
      Hwa, Rebecca  and
      Riedel, Sebastian",
    booktitle = "Proceedings of the 2017 Conference on Empirical Methods in Natural Language Processing",
    month = sep,
    year = "2017",
    address = "Copenhagen, Denmark",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/D17-1085/",
    doi = "10.18653/v1/D17-1085",
    pages = "815--824"
}