Keyphrases
- data representation
- feature selection
- dimensionality reduction
- feature construction
- graph classification
- graph kernels
- data representations
- representational power
- subspace learning
- weighted graph
- multi task
- feature set
- nonnegative matrix factorization
- data sets
- xml documents
- pattern recognition
- feature extraction
- databases
- matrix factorization
- domain specific
- nearest neighbor
- knn
- machine learning