Part-of-Speech Tagging of Portuguese Using Hidden Markov Models with Character Language Model Emissions Marcelo Rodrigues de Holanda Maia author Geraldo Bonorino Xexéo author 2011 text Proceedings of the 8th Brazilian Symposium in Information and Human Language Technology conference publication de-holanda-maia-xexeo-2011-part https://aclanthology.org/W11-4518/ 2011