Keyphrases
- materialized views
- data warehouse
- database management systems
- storage space
- data warehousing
- incremental maintenance
- physical database design
- information sources
- view maintenance
- view selection
- query processing
- data sources
- maintenance cost
- xml query evaluation
- xml documents
- query execution plans
- incremental view maintenance
- join algorithms
- xml databases
- vertical partitioning
- historical data
- decision support
- data integration
- querying xml documents
- case study