Improving A Simple Bigram HMM Part-of-Speech Tagger by Latent Annotation and Self-Training Zhongqiang Huang author Vladimir Eidelman author Mary Harper author 2009-06 text Proceedings of Human Language Technologies: The 2009 Annual Conference of the North American Chapter of the Association for Computational Linguistics, Companion Volume: Short Papers Mari Ostendorf editor Michael Collins editor Shri Narayanan editor Douglas W Oard editor Lucy Vanderwende editor Association for Computational Linguistics Boulder, Colorado conference publication huang-etal-2009-improving https://aclanthology.org/N09-2054/ 2009-06 213 216