A Hierarchical Bayesian Language Model Based On Pitman-Yor Processes

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Summary

It is shown that an approximation to the hierarchical Pitman-Yor language model recovers the exact formulation of interpolated Kneser-Ney, one of the best smoothing methods for n-gram language models.

Type
article
Published
2006-07-17
Cited by
617
References
18
Access
Open access

Keywords

Dirichlet distribution, Computer science, Language model, Smoothing, Bayesian probability

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