Exploring the Contribution of Unlabeled Data in Financial Sentiment Analysis.
Jimmy S. J. RenWei WangJiawei WangStephen S. Y. LiaoPublished in: AAAI (2013)
Keyphrases
- sentiment analysis
- unlabeled data
- text classification
- labeled data
- semi supervised learning
- semi supervised
- opinion mining
- sentiment classification
- active learning
- text categorization
- co training
- training set
- domain adaptation
- labeled training data
- supervised learning
- feature selection
- data points
- labeled examples
- learning algorithm
- training examples
- supervised classifiers
- text mining
- training data
- product reviews
- class labels
- machine learning
- unsupervised learning
- sentiment lexicon
- labeled and unlabeled data
- transfer learning
- data sets
- natural language processing
- prior knowledge
- knn
- knowledge representation
- pairwise
- image segmentation
- databases