Keyphrases
- query processing
- response time
- database
- relevance feedback
- user interaction
- database queries
- data structure
- query execution
- query expansion
- user defined
- retrieval method
- search queries
- data objects
- object retrieval
- range queries
- data warehouse
- batch processing
- correct answers
- aggregate queries
- retrieval accuracy
- query formulation
- query evaluation
- user queries