@inproceedings{fujinuma-hagiwara-2021-semi,
    title = "Semi-Supervised Joint Estimation of Word and Document Readability",
    author = "Fujinuma, Yoshinari  and
      Hagiwara, Masato",
    editor = "Panchenko, Alexander  and
      Malliaros, Fragkiskos D.  and
      Logacheva, Varvara  and
      Jana, Abhik  and
      Ustalov, Dmitry  and
      Jansen, Peter",
    booktitle = "Proceedings of the Fifteenth Workshop on Graph-Based Methods for Natural Language Processing (TextGraphs-15)",
    month = jun,
    year = "2021",
    address = "Mexico City, Mexico",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/2021.textgraphs-1.16/",
    doi = "10.18653/v1/2021.textgraphs-1.16",
    pages = "150--155"
}