Semi-Supervised Joint Estimation of Word and Document Readability Yoshinari Fujinuma author Masato Hagiwara author 2021-06 text Proceedings of the Fifteenth Workshop on Graph-Based Methods for Natural Language Processing (TextGraphs-15) Alexander Panchenko editor Fragkiskos D Malliaros editor Varvara Logacheva editor Abhik Jana editor Dmitry Ustalov editor Peter Jansen editor Association for Computational Linguistics Mexico City, Mexico conference publication fujinuma-hagiwara-2021-semi 10.18653/v1/2021.textgraphs-1.16 https://aclanthology.org/2021.textgraphs-1.16/ 2021-06 150 155