A Generative Model for Punctuation in Dependency Trees Xiang Lisa Li author Dingquan Wang author Jason Eisner author 2019 text journal article Transactions of the Association for Computational Linguistics continuing MIT Press Cambridge, MA periodical academic journal li-etal-2019-generative 10.1162/tacl_a_00273 https://aclanthology.org/Q19-1023/ 2019 7 357 373