A Hierarchical Pitman-Yor Process HMM for Unsupervised Part of Speech Induction.
In this work we address the problem of unsupervised part-of-speech induction by bringing together several strands of research into a single model. We develop a novel hidden Markov model incorporating sophisticated smoothing using a hierarchical Pitman-Yor processes prior, providing an elegant and pr...
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Association for Computer Linguistics
2011
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