Sentiment Analysis of Stock Market News with Semi-supervised Learning.
Keisuke MizumotoHidekazu YanagimotoMichifumi YoshiokaPublished in: ACIS-ICIS (2012)
Keyphrases
- semi supervised learning
- sentiment analysis
- stock market
- financial news
- labeled data
- text classification
- opinion mining
- semi supervised
- unlabeled data
- sentiment classification
- short term
- unsupervised learning
- sentence level
- machine learning
- supervised learning
- text mining
- news articles
- training data
- text categorization
- natural language processing
- active learning
- social media
- supervised classifiers
- news stories
- user generated
- learning algorithm
- keywords
- support vector
- neural network