Sentence Level Subjectivity and Sentiment Analysis Experiments in NTCIR-7 MOAT Challenge.
Lizhen QuCigdem ToprakNiklas JakobIryna GurevychPublished in: NTCIR (2008)
Keyphrases
- sentence level
- sentiment analysis
- sentiment classification
- positive or negative
- opinion mining
- text classification
- test collection
- product reviews
- natural language processing
- product features
- text mining
- retrieval effectiveness
- cross domain
- search engine
- information retrieval
- text categorization
- expert systems
- databases