Keyphrases
- query processing
- database
- response time
- data structure
- relevance feedback
- description logics
- query expansion
- user queries
- query evaluation
- retrieval systems
- efficient processing
- query execution
- result set
- retrieval method
- database queries
- user interaction
- data sources
- range queries
- keyword search
- query terms
- attribute values
- complex queries
- query formulation
- neural network