Universal Word Segmentation: Implementation and Interpretation Yan Shao author Christian Hardmeier author Joakim Nivre author 2018 text journal article Transactions of the Association for Computational Linguistics continuing MIT Press Cambridge, MA periodical academic journal shao-etal-2018-universal 10.1162/tacl_a_00033 https://aclanthology.org/Q18-1030/ 2018 6 421 435