Keyphrases
- product features
- automatically extracting
- customer reviews
- opinion mining
- product reviews
- sentiment analysis
- positive or negative
- opinion words
- natural language
- online reviews
- word pairs
- context dependent
- semantic relations
- relative importance
- user generated
- wordnet
- high level
- sentiment words
- customer satisfaction
- free text
- fine grained
- anomaly detection
- natural language processing
- data analysis