cs224n Lecture6 Language Models and RNNs

CS224n week4 N-grams model PERPLEXITY'S RELATION TO ENTROPY N-grams model 针对OOV两种方式 稀疏问题: 1.分子为0 使用Smoothing(discounting) Laplace smoothing(add-1 smoothing): discount dc Add-k smoothing: 2.分母为0 Backof
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