Keyphrases
- outlier detection
- random projections
- dimension reduction
- dimensionality reduction
- knowledge discovery
- original data
- data streams
- detection algorithm
- sparse representation
- density ratio estimation
- kernel function
- random sampling
- feature space
- density estimation
- image reconstruction
- support vector
- principal component analysis
- kernel methods
- detecting outliers
- low dimensional
- data sets
- data mining
- document clustering
- pattern recognition
- information retrieval
- real world
- image classification
- learning algorithm
- kernel matrix
- data mining techniques
- support vector machine
- similarity measure
- hash functions