Evaluating Feature Sets and Classifiers for Sentiment Analysis of Financial News.
Pal Christian S. NjolstadLars S. HoysaeterWei WeiJon Atle GullaPublished in: WI-IAT (1) (2014)
Keyphrases
- feature set
- sentiment analysis
- financial news
- feature selection
- opinion mining
- sentiment classification
- stock market
- text classification
- classification accuracy
- feature vectors
- sentence level
- text mining
- class labels
- extracted features
- feature space
- feature extraction
- natural language processing
- classification models
- hong kong
- feature types
- product reviews
- sentiment lexicon
- stock price
- artificial intelligence
- n gram
- product features
- decision trees
- multiple features
- news stories
- video sequences
- machine learning