1. Naïve Bayes + DAEM

2. ○ Posterior by DAEM ○ Objective Function

3. ○ Likelihood - Lagrange's method of undetermined multipliers-

5. ○ Prior - Lagrange's method of undetermined multipliers -

7. Exception step Maximization step

8. ○ Expanse additive smoothing Exception step Maximization step

9. ○ Class planning WordCountCluster #getLearningDataNum WordCountCluster #getTotalWordNum Exception step Maximization step