Keyphrases
- sentiment analysis
- preprocessing
- social media content
- public opinion
- micro blog
- opinion mining
- social media
- sentiment classification
- multi aspect
- sentence level
- text classification
- social networks
- feature extraction
- social networking
- feature selection
- product reviews
- collective classification
- natural language processing
- user generated
- micro blogging
- information diffusion
- natural language
- product features
- machine learning
- online social networks
- learning algorithm
- social networking sites
- sentiment words