Two Decades of Unsupervised POS Induction: How Far Have We Come? Christos Christodoulopoulos author Sharon Goldwater author Mark Steedman author 2010-10 text Proceedings of the 2010 Conference on Empirical Methods in Natural Language Processing Hang Li editor Lluís Màrquez editor Association for Computational Linguistics Cambridge, MA conference publication christodoulopoulos-etal-2010-two https://aclanthology.org/D10-1056/ 2010-10 575 584