@inproceedings{wang-andersen-2016-grammatical,
    title = "Grammatical Templates: Improving Text Difficulty Evaluation for Language Learners",
    author = "Wang, Shuhan  and
      Andersen, Erik",
    editor = "Matsumoto, Yuji  and
      Prasad, Rashmi",
    booktitle = "Proceedings of {COLING} 2016, the 26th International Conference on Computational Linguistics: Technical Papers",
    month = dec,
    year = "2016",
    address = "Osaka, Japan",
    publisher = "The COLING 2016 Organizing Committee",
    url = "https://aclanthology.org/C16-1159/",
    pages = "1692--1702"
}