Exploiting New Sentiment-Based Meta-level Features for Effective Sentiment Analysis.
Sérgio D. CanutoMarcos André GonçalvesFabrício BenevenutoPublished in: WSDM (2016)
Keyphrases
- sentiment analysis
- meta level
- opinion mining
- sentiment classification
- product features
- text classification
- sentence level
- text mining
- object level
- natural language processing
- sentiment polarity
- public opinion
- product reviews
- opinion words
- image features
- low level
- sentiment lexicon
- domain knowledge
- artificial intelligence
- higher level
- information extraction
- active learning
- feature vectors
- feature space
- multiscale
- customer reviews