Keyphrases
- query processing
- database
- database queries
- user queries
- query evaluation
- response time
- query formulation
- data structure
- query expansion
- retrieval method
- retrieval systems
- neural network
- retrieval accuracy
- range queries
- multi dimensional
- relevance feedback
- data sources
- query optimization
- user defined
- website
- result set
- multimedia
- information retrieval
- aggregate queries