Specification-Based Data Reduction in Dimensional Data Warehouses.
Janne SkytChristian S. JensenTorben Bach PedersenPublished in: ICDE (2002)
Keyphrases
- data reduction
- data warehouse
- data analysis
- data mining
- data quality
- data compression
- data warehousing
- databases
- decision support
- business intelligence
- knowledge discovery
- data management
- data marts
- preprocessing
- multi dimensional
- data integration
- classification accuracy
- materialized views
- feature selection
- data cube
- rough set theory
- query execution
- model selection
- classification rules
- high dimensionality
- singular value decomposition
- metadata
- on line analytical processing
- star schema
- olap query processing
- data sources
- clustering algorithm
- feature extraction
- multidimensional data
- external data
- range queries
- high dimensional data
- database
- information retrieval
- rough sets
- machine learning
- text mining
- online analytical processing
- computational complexity
- olap systems
- expert systems