A Novel Stock Index Direction Prediction Based on Dual Classifier Coupling and Investor Sentiment Analysis.
Jujie WangShuzhou ZhuPublished in: Cogn. Comput. (2023)
Keyphrases
- sentiment analysis
- stock market
- supervised classifiers
- stock exchange
- opinion mining
- financial time series
- stock price
- sentiment classification
- stock index futures
- text classification
- sentence level
- financial markets
- text mining
- prediction model
- support vector machine
- feature selection
- garch model
- feature space
- financial data
- support vector
- product features
- online reviews
- databases
- non stationary
- sentiment lexicon
- artificial intelligence
- public opinion
- short term
- theoretical analysis