Keyphrases
- directed graph
- graph structure
- graph representation
- graph theory
- graph matching
- directed acyclic graph
- link analysis
- graph model
- random walk
- graphical representation
- mobile robot
- digital libraries
- website
- graph partitioning
- minimum spanning tree
- data sets
- graph clustering
- graph mining
- weighted graph
- connected components
- sparse representation
- knn
- metadata
- information retrieval