Multi-join query optimization in bucket-based encrypted databases using an enhanced ant colony optimization algorithm.
Mahmoud JafarinejadMorteza AminiPublished in: Distributed Parallel Databases (2018)
Keyphrases
- query optimization
- ant colony optimization algorithm
- database systems
- databases
- hash join
- approximate query answering
- ant colony optimization
- cost model
- query processing
- swarm intelligence
- multidatabase systems
- traveling salesman problem
- cardinality estimation
- ant colony algorithm
- cost estimation
- query execution
- database
- join operators
- relational databases
- xml data
- convergence speed
- relational database systems
- join queries
- data model
- query optimizers
- query optimizer
- query execution plans
- continuous queries
- join algorithms
- selectivity estimation
- duplicate elimination
- genetic algorithm
- query plan
- aco algorithm
- hybrid algorithm
- global optimization
- particle swarm optimization pso
- mathematical model
- data integration
- artificial intelligence
- database management systems
- data management