Keyphrases
- query processing
- query result
- approximate answers
- answering queries
- exact and approximate
- query language
- correct answers
- range queries
- query answers
- query evaluation
- user defined
- result set
- query patterns
- pre computed
- response time
- user queries
- data sources
- exact answers
- database
- skyline queries
- aggregate queries
- database systems
- aggregation queries
- higher order
- retrieval systems
- exact match
- sql queries
- database queries
- data objects
- query optimization
- web search engines
- search queries
- query answering
- scoring functions
- information retrieval systems
- proximity search
- range aggregate queries