Efficient processing of probabilistic group subspace skyline queries in uncertain databases.
Xiang LianLei ChenPublished in: Inf. Syst. (2013)
Keyphrases
- efficient processing
- uncertain databases
- skyline queries
- uncertain data
- formal semantics
- distributed environment
- metric space
- data distribution
- low dimensional
- sliding window
- frequent itemset mining
- data objects
- database queries
- high dimensional
- feature extraction
- range queries
- query processing
- user preferences
- dimensionality reduction
- principal component analysis
- keywords
- data streams
- efficient implementation
- distance measure
- multi dimensional
- machine learning
- high dimensional data