Sentiment analysis for Bangla microblog posts

6 2. RELATED WORKS IN ENGLISH 9 3. LEXICON 11 3.1 METHODOLOGY TO CONSTRUCT THE BANGLA SENTIMENT LEXICON: 11 4. METHODOLOGY 13 4.1 DATASET: 13 4.2 TWEET DESCRIPTION: 14 4.3 PREPROCESSING: 14 4.4 OUR APPROACH 17 4.4.1 TRAINING SET CONSTRUCTION: 17 4.4.1.1 SEMI-SUPERVISED: 17 4.4.1.2 SELF-TRAINING BOOTSTRAPPING: 17 4.4.2 FEATURE EXTRACTION: 20 4.4.3 CLASSIFIER: 23 4.4.3.1 SUPPORT VECTOR MACHINE: 23 4.4.3.2 MAXIMUM ENTROPY: 24 5. EXPERIMENTAL RESULTS AND EVALUATION 25 5.1 EVALUATION METRICS: 25 5.2 RESULTS AND DISCUSSION: 27 6. CONCLUSION AND FUTURE WORKS 33 REFERENCES 43

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