@inproceedings{han-etal-2019-level,
    title = "Level-Up: Learning to Improve Proficiency Level of Essays",
    author = "Han, Wen-Bin  and
      Chen, Jhih-Jie  and
      Yang, Chingyu  and
      Chang, Jason",
    editor = "Costa-juss{\`a}, Marta R.  and
      Alfonseca, Enrique",
    booktitle = "Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics: System Demonstrations",
    month = jul,
    year = "2019",
    address = "Florence, Italy",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/P19-3033/",
    doi = "10.18653/v1/P19-3033",
    pages = "207--212"
}