Joint learning of frequency and word embeddings for multilingual readability assessment Dieu-Thu Le author Cam-Tu Nguyen author Xiaoliang Wang author 2018-07 text Proceedings of the 5th Workshop on Natural Language Processing Techniques for Educational Applications Yuen-Hsien Tseng editor Hsin-Hsi Chen editor Vincent Ng editor Mamoru Komachi editor Association for Computational Linguistics Melbourne, Australia conference publication le-etal-2018-joint 10.18653/v1/W18-3714 https://aclanthology.org/W18-3714/ 2018-07 103 107