Evaluating Unsupervised Part-of-Speech Tagging for Grammar Induction William P Headden III author David McClosky author Eugene Charniak author 2008-08 text Proceedings of the 22nd International Conference on Computational Linguistics (Coling 2008) Donia Scott editor Hans Uszkoreit editor Coling 2008 Organizing Committee Manchester, UK conference publication headden-iii-etal-2008-evaluating https://aclanthology.org/C08-1042/ 2008-08 329 336