Keyphrases
- query language
- query evaluation
- query processing
- database queries
- efficient processing
- response time
- database
- complex queries
- web search engines
- range queries
- data sources
- probabilistic databases
- user queries
- retrieval systems
- selectivity estimation
- query interface
- pre computed
- cost model
- search queries
- conjunctive queries
- attribute values
- neural network
- databases