Keyphrases
- response time
- query processing
- database
- relevance feedback
- user queries
- cellular neural networks
- query evaluation
- keywords
- significant improvement
- object retrieval
- query expansion
- data sources
- range queries
- query execution
- complex queries
- database queries
- image database
- query terms
- similarity measure
- keyword search
- query optimization
- retrieval process
- user interaction
- data structure
- efficient processing
- information retrieval