A Hierarchical Pitman-Yor Process HMM for Unsupervised Part of Speech Induction Phil Blunsom author Trevor Cohn author 2011-06 text Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies Dekang Lin editor Yuji Matsumoto editor Rada Mihalcea editor Association for Computational Linguistics Portland, Oregon, USA conference publication blunsom-cohn-2011-hierarchical https://aclanthology.org/P11-1087/ 2011-06 865 874