Keyphrases
- query processing
- user defined
- result set
- aggregation queries
- database queries
- query language
- range queries
- database
- user queries
- query optimization
- response time
- efficient processing
- retrieval systems
- query evaluation
- approximate answers
- search queries
- web search
- digital content
- query result
- information retrieval systems
- candidate set
- answering queries
- data structure
- data management
- aggregate queries
- data sources
- query logs
- data objects
- index structure