Keyphrases
- view maintenance
- materialized views
- data warehouse
- data warehousing
- incremental view maintenance
- transitive closure
- incremental maintenance
- database management systems
- storage space
- business intelligence
- data management
- decision support
- multi source
- query processing
- view selection
- data sources
- data analysis
- maintenance cost
- data mining
- metadata
- historical data
- information sources
- join algorithms
- directed acyclic graph
- object oriented