Keyphrases
- sentiment analysis
- unified model
- opinion mining
- sentiment classification
- text classification
- sentence level
- multi aspect
- domain specific
- independent component analysis
- online reviews
- question answering
- cross lingual
- sentiment lexicon
- neural network
- sentiment words
- product features
- word sense disambiguation
- document retrieval
- query expansion
- text mining
- natural language processing
- information extraction
- probabilistic model
- knowledge base
- search engine