Keyphrases
- outlier detection
- random projections
- dimensionality reduction
- image reconstruction
- dimension reduction
- knowledge discovery
- original data
- detection algorithm
- kernel function
- data streams
- sparse representation
- density ratio estimation
- detecting outliers
- principal component analysis
- kernel methods
- feature space
- density estimation
- low dimensional
- random sampling
- hash functions
- kernel matrix
- data mining
- detect outliers
- document clustering
- support vector
- database
- high dimensionality
- data sets