Validating Data Warehouse Quality Metrics Using PCA.
Rolly GuptaAnjana GosainPublished in: ICDEM (2010)
Keyphrases
- data warehouse
- quality metrics
- data quality
- principal component analysis
- data warehousing
- image quality
- quality assessment
- business intelligence
- decision support
- dimensionality reduction
- human visual system
- data management
- databases
- data mining
- face recognition
- data sources
- data warehouse design
- query execution
- visual quality
- data integration
- requirement analysis
- materialized views
- data analysis
- olap queries
- face images
- high dimensional
- feature extraction
- star schema
- metadata
- data model
- view selection
- on line analytical processing
- machine learning
- peak signal to noise ratio
- evaluation metrics
- case study
- image compression
- fact table
- feature space