Feature Weighting Strategies in Sentiment Analysis.
Olena KummerJacques SavoyPublished in: SDAD@ECML/PKDD (2012)
Keyphrases
- sentiment analysis
- feature weighting
- text classification
- opinion mining
- text categorization
- feature selection
- sentiment classification
- sentence level
- text documents
- text mining
- labeled data
- machine learning
- bag of words
- natural language processing
- unsupervised learning
- tf idf
- product reviews
- unlabeled data
- nearest neighbor
- learning tasks
- relevance feedback
- knn
- multiple features
- low level
- artificial intelligence
- databases
- product features
- sentiment lexicon