@article{xu-etal-2015-problems,
    title = "Problems in Current Text Simplification Research: New Data Can Help",
    author = "Xu, Wei  and
      Callison-Burch, Chris  and
      Napoles, Courtney",
    editor = "Collins, Michael  and
      Lee, Lillian",
    journal = "Transactions of the Association for Computational Linguistics",
    volume = "3",
    year = "2015",
    address = "Cambridge, MA",
    publisher = "MIT Press",
    url = "https://aclanthology.org/Q15-1021/",
    doi = "10.1162/tacl_a_00139",
    pages = "283--297"
}