Opinion mining Machine learning 2 Sentiment analysis 2 Amazon 1 Behavioral research 1 Classification (of information) 1 Codes (symbols) 1 Customer Reviews 1 Customer review 1 Data set 1 Deceptive review 1 Deceptive reviews 1 Decision making 1 End-users 1 Evaluation 1 Flipkart 1 Imbalance 1 Learning algorithms 1 Machine translation 1 Movement control order (MC) 1 Multilingual sentiment analysis 1 Natural Language Processing 1 Odors 1 Open and distance learning (ODL) 1 Opinion Mining 1 Pre-processing 1 Rating information 1 Sales 1 Sentiment Analysis 1 Social media analytic 1