Keyphrases
- feature selection
- product reviews
- sentiment analysis
- opinion mining
- text classification
- sentiment classification
- product features
- online product reviews
- user generated
- information sources
- user generated content
- online reviews
- customer reviews
- consumer reviews
- artificial intelligence
- neural network
- databases
- query expansion
- text mining
- knowledge representation
- data analysis
- social networks
- machine learning
- automatically extracting