Keyphrases
- sentiment analysis
- social media content
- public opinion
- micro blog
- opinion mining
- social media
- sentiment classification
- text classification
- micro blogging
- sentence level
- natural language processing
- text mining
- social networks
- multi aspect
- online social networks
- user generated
- product reviews
- artificial intelligence
- online reviews
- social networking
- knowledge discovery
- product features
- automatic construction
- probabilistic model
- expert systems