Keyphrases
- eigenvalues and eigenvectors
- covariance matrix
- directed graph
- graph theoretic
- graph structure
- correlation matrix
- graph matching
- graph databases
- pattern recognition
- graph theory
- graph model
- weighted graph
- structured objects
- subgraph isomorphism
- random graphs
- complex structures
- graph mining
- database
- principal components
- principal component analysis
- data mining