@inproceedings{kotani-etal-2011-compiling,
    title = "Compiling Learner Corpus Data of Linguistic Output and Language Processing in Speaking, Listening, Writing, and Reading",
    author = "Kotani, Katsunori  and
      Yoshimi, Takehiko  and
      Nanjo, Hiroaki  and
      Isahara, Hitoshi",
    editor = "Wang, Haifeng  and
      Yarowsky, David",
    booktitle = "Proceedings of 5th International Joint Conference on Natural Language Processing",
    month = nov,
    year = "2011",
    address = "Chiang Mai, Thailand",
    publisher = "Asian Federation of Natural Language Processing",
    url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/I11-1165/",
    pages = "1418--1422"
}