Brendan O’Connor 2/18/2014

Scatterplot of KN/PYP language model results

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The article analyzes a scatterplot of language model perplexity results from Yee Whye Teh's research, comparing Interpolated Kneser-Ney (IKN), Modified Kneser-Ney (MKN), Hierarchical Dirichlet (HDLM), and Hierarchical Pitman-Yor (HPYLM) models. It discusses the theoretical similarity between KN and HPYLM models, notes the superior performance of MKN and HPYLM over IKN, and explains why HDLM performs worse, especially with longer contexts.

Scatterplot of KN/PYP language model results

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