Keyphrases
- upper bound
- lower bound
- upper and lower bounds
- graph representation
- directed graph
- graph theory
- globally optimal
- error probability
- graph structure
- lower and upper bounds
- graph mining
- spanning tree
- directed acyclic graph
- structural patterns
- concept classes
- graph partitioning
- graph model
- data sets
- weighted graph
- structured data
- markov random field
- similarity measure
- neural network