Keyphrases
- query processing
- graph theory
- database
- query evaluation
- efficient processing
- complex queries
- range queries
- flow graph
- random walk
- response time
- directed graph
- query language
- bipartite graph
- graph representation
- query formulation
- query logs
- database queries
- answering queries
- reachability queries
- disk resident
- graph model
- search queries
- web search engines
- databases
- graph structure
- result set
- data objects
- retrieval systems
- structured data
- graph data
- aggregate queries
- graph patterns
- data sources
- relational databases