Contrastive Active Learning Under Class Distribution Mismatch.
Pan DuHui ChenSuyun ZhaoShuwen ChaiHong ChenCuiping LiPublished in: IEEE Trans. Pattern Anal. Mach. Intell. (2023)
Keyphrases
- class distribution
- active learning
- cost sensitive
- training set
- unlabeled data
- class imbalance
- training examples
- imbalanced class distribution
- misclassification costs
- labeled data
- training data
- test set
- rare classes
- imbalanced datasets
- semi supervised
- highly imbalanced
- class labels
- machine learning
- learning algorithm
- supervised learning
- training samples
- cost sensitive learning
- imbalanced data
- test data
- training set size
- majority class
- random sampling
- minority class
- decision trees
- prior knowledge
- rare events
- semi supervised learning
- classification algorithm
- concept drift
- base classifiers
- text categorization