Keyphrases
- query optimization
- multidatabase systems
- database systems
- heterogeneous database systems
- transaction management
- multidatabase environment
- real time
- genetic algorithm
- decision trees
- database management systems
- concurrency control
- wireless sensor networks
- multiple autonomous
- multiple databases
- transaction model
- search sessions
- query processing
- decision making
- information systems
- search engine
- learning algorithm
- information retrieval
- databases