Keyphrases
- lower bound
- upper bound
- directed graph
- graph databases
- objective function
- graph structure
- random walk
- graph theory
- graph representation
- branch and bound algorithm
- graph matching
- min sum
- graph construction
- upper and lower bounds
- graph model
- bipartite graph
- connected components
- structured data
- graph mining
- directed acyclic graph
- max sat
- random graphs
- np hard
- lower bounding
- optimal cost
- search algorithm