Keyphrases
- outlier detection
- active learning
- knowledge discovery
- detection algorithm
- fraud detection
- semi supervised
- detecting outliers
- data streams
- density ratio estimation
- data mining
- training examples
- learning algorithm
- detect outliers
- distance based outlier detection
- high dimensional datasets
- credit card fraud detection
- machine learning
- unlabeled data
- density estimation
- cost sensitive
- training set
- database
- semi supervised learning
- supervised learning
- density based clustering
- learning process
- feature space
- databases