Keyphrases
- query processing
- database systems
- query optimization
- expert systems
- efficient query processing
- multidatabase environment
- cost model
- index structure
- database query processing
- efficient processing
- query processor
- xml data
- user queries
- r tree
- data partitioning
- data management
- similarity search
- information systems
- join algorithms
- aggregate queries
- data sets
- nearest neighbor
- query execution plans
- processing queries
- information retrieval
- materialized views
- query evaluation
- website
- case study