@inproceedings{sakaguchi-etal-2015-effective,
    title = "Effective Feature Integration for Automated Short Answer Scoring",
    author = "Sakaguchi, Keisuke  and
      Heilman, Michael  and
      Madnani, Nitin",
    editor = "Mihalcea, Rada  and
      Chai, Joyce  and
      Sarkar, Anoop",
    booktitle = "Proceedings of the 2015 Conference of the North {A}merican Chapter of the Association for Computational Linguistics: Human Language Technologies",
    month = may # "–" # jun,
    year = "2015",
    address = "Denver, Colorado",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/N15-1111/",
    doi = "10.3115/v1/N15-1111",
    pages = "1049--1054"
}