Keyphrases
- query processing
- database systems
- index structure
- data management
- xml data
- similarity search
- efficient processing
- aggregate queries
- efficient query processing
- query optimization
- r tree
- processing queries
- cost model
- query execution
- multidatabase environment
- distributed query processing
- range queries
- database query processing
- continuous queries
- query evaluation
- query processor
- website
- databases