i Data-Intensive Text Processing with MapReduce
6.1.4 Expectation Maximization 119 6.1.5 An EM Example 120 6.2 Hidden Markov Models ..... 121 6.2.1 Three Questions for Hidden Markov Models 123 6.2.2 The Forward Algorithm 125 6.2.3 The Viterbi Algorithm 126
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