A Simple Unsupervised Learner for POS Disambiguation Rules Given Only a Minimal Lexicon Qiuye Zhao author Mitch Marcus author 2009-08 text Proceedings of the 2009 Conference on Empirical Methods in Natural Language Processing Philipp Koehn editor Rada Mihalcea editor Association for Computational Linguistics Singapore conference publication zhao-marcus-2009-simple https://aclanthology.org/D09-1072/ 2009-08 688 697