Keyphrases
- query processing
- database
- response time
- query expansion
- query formulation
- original query
- data structure
- user queries
- object retrieval
- query evaluation
- retrieval systems
- query execution
- result set
- database queries
- keyword search
- range queries
- relevance feedback
- data sources
- search engine
- multi dimensional
- relational databases
- book covers
- heterogeneous databases
- information retrieval