Keyphrases
- query evaluation
- query language
- query processing
- database queries
- disk resident
- graph structure
- web search engines
- directed graph
- random walk
- graph representation
- response time
- user queries
- database
- flow graph
- graph theoretic
- graph partitioning
- graph theory
- connected components
- bipartite graph
- graph model
- spanning tree
- query formulation
- directed acyclic graph
- graph matching
- graph patterns
- answering queries
- real world graphs
- graph databases
- complex queries
- np complete
- query terms
- query graph
- retrieval systems