Keyphrases
- query processing
- data management
- database systems
- query optimization
- r tree
- similarity search
- aggregate queries
- index structure
- cost model
- query evaluation
- low dimensional
- processing queries
- data partitioning
- user queries
- join algorithms
- subspace learning
- multidatabase systems
- xml data
- database management systems
- multi dimensional
- data sources
- range queries
- relational databases
- high dimensional
- feature space
- subspace clustering
- data structure
- neural network
- data sets