Keyphrases
- query processing
- website
- query language
- database queries
- response time
- query refinement
- query evaluation
- user queries
- query formulation
- web search engines
- query types
- database
- data sets
- data sources
- efficient processing
- aggregate queries
- search capabilities
- home page
- probabilistic databases
- answering queries
- world wide web
- result set
- data objects
- database systems
- neural network