Unsupervised Dependency Parsing with Acoustic Cues John K Pate author Sharon Goldwater author 2013 text journal article Transactions of the Association for Computational Linguistics continuing MIT Press Cambridge, MA periodical academic journal pate-goldwater-2013-unsupervised 10.1162/tacl_a_00210 https://aclanthology.org/Q13-1006/ 2013 1 63 74