Specification-based data reduction in dimensional data warehouses.
Janne SkytChristian S. JensenTorben Bach PedersenPublished in: Inf. Syst. (2008)
Keyphrases
- data warehouse
- data reduction
- data analysis
- data quality
- data mining
- data compression
- data warehousing
- knowledge discovery
- data marts
- business intelligence
- decision support
- preprocessing
- multi dimensional
- databases
- data management
- data integration
- classification accuracy
- data sources
- data cube
- feature selection
- data mining techniques
- model selection
- high dimensionality
- multidimensional data
- singular value decomposition
- star schema
- olap query processing
- on line analytical processing
- classification rules
- rough set theory
- text mining
- query execution
- machine learning
- clustering algorithm
- high dimensional
- image compression
- feature extraction
- data model
- wavelet transform
- least squares
- information retrieval
- enterprise data
- olap systems
- fact table
- query workloads
- real world