Probabilistic group nearest neighbor query optimization based on classification using ELM.
Jiajia LiXiufeng XiaXiangyu LiuBotao WangDahai ZhouYunzhe AnPublished in: Neurocomputing (2018)
Keyphrases
- query optimization
- nearest neighbor
- database systems
- cost model
- multidatabase systems
- cost estimation
- query scheduling
- query processing
- training set
- xml data
- extreme learning machines
- cardinality estimation
- query execution
- decision trees
- neural network
- data placement
- high dimensional
- knn
- feature selection
- query optimizers
- data management
- join queries
- query optimizer
- extreme learning machine
- query plan
- data model
- data points
- high dimensional data
- query execution plans