Keyphrases
- data structure
- query processing
- path queries
- database
- data types
- response time
- query evaluation
- kd tree
- relevance feedback
- inverted index
- user defined
- data sources
- shortest path
- query formulation
- information retrieval
- database queries
- real world
- user queries
- query expansion
- range queries
- query terms
- retrieval method
- result set
- retrieval systems
- query execution
- similarity queries
- user interaction