Keyphrases
- minimum spanning tree
- graph representation
- steiner tree
- random walk
- graph model
- social networks
- structured data
- database
- graph search
- connected components
- graph matching
- edge weights
- undirected graph
- directed acyclic graph
- graph construction
- indexing method
- spanning tree
- indexing techniques
- graph structure
- directed graph
- database systems
- databases