Keyphrases
- multi class
- sentiment analysis
- opinion mining
- sentiment classification
- text classification
- sentence level
- multi class classification
- pairwise
- support vector machine
- feature selection
- text mining
- cost sensitive
- multi class classifier
- product features
- multi feature
- object detection
- binary classification
- multiple classes
- online reviews
- multi class problems
- multi class svm
- natural language processing
- machine learning
- error correcting output codes
- base classifiers
- binary classifiers
- product reviews
- semi supervised
- sentiment lexicon
- data sets