Keyphrases
- query processing
- database
- user queries
- relevance feedback
- response time
- lightweight
- query evaluation
- keywords
- data structure
- data sources
- user interaction
- search engine
- complex queries
- result set
- retrieval method
- query formulation
- trust management
- cryptographic protocols
- query execution
- database queries
- search queries
- data objects
- retrieval systems
- language model
- database systems
- metadata
- databases