Probabilistic threshold query optimization based on threshold classification using ELM for uncertain data.
Jiajia LiBotao WangGuoren WangYifei ZhangPublished in: Neurocomputing (2016)
Keyphrases
- uncertain data
- query optimization
- uncertain databases
- database systems
- probabilistic xml
- cost model
- probabilistic databases
- query processing
- uncertain data streams
- cardinality estimation
- frequent patterns
- data streams
- machine learning
- xml data
- query optimizer
- text classification
- multi dimensional
- knowledge discovery
- training set
- continuous queries
- selectivity estimation
- execution plan
- recursive queries
- data structure
- data mining
- data sets