An Efficient Optimization Approach for Top-k Queries on Uncertain Data.
Zhiqiang ZhangXiaoyan WeiXiaoqin XieHaiwei PanYu MiaoPublished in: Int. J. Cooperative Inf. Syst. (2018)
Keyphrases
- uncertain data
- uncertain databases
- probabilistic databases
- probabilistic xml
- uncertain data streams
- aggregate queries
- query processing
- similarity join
- imprecise data
- query evaluation
- mining frequent itemsets
- uncertain objects
- frequent patterns
- aggregate functions
- naive bayes classification
- spatial query processing
- data sets
- result set
- data cube
- range queries
- knowledge discovery
- data streams
- database
- formal semantics
- uncertain information
- efficient processing
- efficient computation
- query language
- frequent itemset mining
- query plan
- relational algebra
- databases