Keyphrases
- outlier detection
- fraud detection
- knowledge discovery
- data streams
- detection algorithm
- low dimensional
- detecting outliers
- principal component analysis
- dimensionality reduction
- density ratio estimation
- high dimensional data
- feature space
- high dimensional datasets
- credit card fraud detection
- high dimensional
- data mining
- data analysis
- density estimation
- change point detection
- detect outliers
- least squares
- feature extraction
- image sequences
- machine learning
- real world
- databases
- database