Automatic Extraction of Polar Adjectives for the Creation of Polarity Lexicons.
Silvia VázquezMuntsa PadróNúria BelJulio GonzaloPublished in: COLING (Posters) (2012)
Keyphrases
- automatic extraction
- sentiment analysis
- sentiment classification
- product features
- opinion words
- sentiment lexicon
- opinion mining
- relation extraction
- product reviews
- positive or negative
- sentence level
- frequency domain
- wordnet
- natural language processing
- text classification
- customer reviews
- zernike moments
- neural network
- rotation invariant
- positive and negative
- biomedical literature
- semantic analysis
- cross domain
- polar coordinates
- fourier transform
- creation process
- html documents
- fourier analysis
- manually constructed
- text mining
- term extraction
- information retrieval