Collaborative Query Processing in DKS Controlled by Reducts.
Zbigniew W. RasAgnieszka DardzinskaPublished in: Rough Sets and Current Trends in Computing (2002)
Keyphrases
- query processing
- rough sets
- greedy algorithm
- collaborative learning
- database systems
- rough set theory
- decision rules
- query optimization
- user queries
- multi user
- xml data
- cost model
- decision table
- index structure
- data management
- processing queries
- databases
- multidatabase environment
- query execution
- computer supported collaborative learning
- attribute reduction
- data partitioning
- r tree
- similarity search
- cooperative
- query evaluation
- knowledge sharing
- nearest neighbor
- efficient processing
- data model
- collaborative activities
- collaborative environment
- rough sets theory
- neural network
- database