Nonparametric Bayesian Semi-supervised Word Segmentation Ryo Fujii author Ryo Domoto author Daichi Mochihashi author 2017 text journal article Transactions of the Association for Computational Linguistics continuing MIT Press Cambridge, MA periodical academic journal fujii-etal-2017-nonparametric 10.1162/tacl_a_00054 https://aclanthology.org/Q17-1013/ 2017 5 179 189