Keyphrases
- query language
- query processing
- database
- data sources
- aggregate queries
- web search engines
- complex queries
- query evaluation
- query types
- correct answers
- query formulation
- inverted index
- database queries
- response time
- web search
- query logs
- relational database systems
- range queries
- user defined
- index structure
- efficient processing
- neural network
- probabilistic databases
- pre computed
- data sets