Keyphrases
- principal component analysis
- principal components
- dimensionality reduction
- principal components analysis
- knowledge base
- knowledge acquisition
- knowledge management
- high dimensional
- feature extraction
- feature space
- prior knowledge
- lower dimensional
- domain experts
- low dimensional
- subspace methods
- independent component analysis
- discriminant analysis
- learning systems
- knowledge based systems
- computationally efficient
- pattern recognition
- knowledge sharing
- data mining techniques
- expert systems
- negative matrix factorization
- knowledge discovery
- subspace learning
- linear subspace
- face recognition
- kernel pca
- data mining