Keyphrases
- query processing
- response time
- database
- query evaluation
- data streams
- query expansion
- imprecise information
- range queries
- user defined
- user interaction
- uncertain databases
- query formulation
- decision making
- data sources
- data structure
- multi dimensional
- multimedia
- aggregate queries
- continuous queries
- keywords
- incomplete information
- query interface
- query execution
- retrieval method
- communication cost
- original query
- possibility theory
- stream processing
- transactional data
- query terms
- user queries