Keyphrases
- sentiment analysis
- text classification
- online reviews
- product reviews
- opinion mining
- product features
- sentiment classification
- collective classification
- supervised classifiers
- customer reviews
- machine learning
- decision trees
- support vector machine
- image classification
- data mining
- sentence level
- natural language processing
- spam filtering
- expert systems
- multi aspect
- neural network
- user generated
- supervised learning
- feature selection
- social networks
- sentiment lexicon