Keyphrases
- materialized views
- data warehouse
- storage space
- data warehousing
- incremental maintenance
- query processing
- view maintenance
- database management systems
- information sources
- view selection
- physical database design
- data sources
- maintenance cost
- xml databases
- decision support
- historical data
- xml documents
- query execution plans
- databases
- incremental view maintenance
- data integration
- data mining
- data analysis
- join algorithms
- decision support system