Exploiting semantic relationships for unsupervised expansion of sentiment lexicons.
Felipe ViegasMário S. AlvimSérgio D. CanutoThierson RosaMarcos André GonçalvesLeonardo RochaPublished in: Inf. Syst. (2020)
Keyphrases
- semantic relationships
- sentiment analysis
- sentiment classification
- sentiment lexicon
- co occurrence
- semantic relations
- opinion mining
- semantic information
- wordnet
- semantic similarity
- data sources
- keywords
- text classification
- natural language processing
- semantic features
- image classification
- data sets
- semantic categories
- domain ontology
- product reviews
- key concepts
- semi structured
- high level
- feature selection
- databases