Perplexity and the <i>n</i>-gram cross entropy <i>H<sub>n</sub>(Q,P)</i> for the EBUDS corpus.
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The perplexity reduces dramatically when bigram correlations are included, has a small but significant reduction with trigram correlations, but then saturates beyond quadrigram correlations. This indicates that a bigram model captures a significant portion of the syntax.
创建时间：
2013-02-21
