Identifying Rare Classes with Sparse Training Data.
Mingwu ZhangWei JiangChris CliftonSunil PrabhakarPublished in: DEXA (2007)
Keyphrases
- rare classes
- training data
- rare class
- class distribution
- active learning
- small disjuncts
- data sets
- learning algorithm
- emerging patterns
- sparse data
- high dimensional
- training set
- test data
- small number
- labeled data
- decision trees
- training examples
- imbalanced datasets
- training dataset
- random sampling
- imbalanced class distribution
- data structure
- pairwise
- classification accuracy
- error prone
- text categorization
- training samples
- unlabeled data
- supervised learning