View usability and safety for the answering of top-k queries via materialized views.
Eftychia BaikousiPanos VassiliadisPublished in: DOLAP (2009)
Keyphrases
- materialized views
- query processing
- view selection
- view maintenance
- answering queries
- aggregation queries
- aggregate views
- incremental view maintenance
- view definitions
- incremental maintenance
- data warehouse
- vertical partitioning
- query execution plans
- data warehousing
- xml databases
- maintenance cost
- data sources
- transitive closure
- database systems
- summary tables
- information sources
- database management systems
- query result
- xml views
- index structure
- range queries
- cost model
- query evaluation
- multi source
- databases
- query answering
- data management
- decision support
- decision making
- join algorithms
- query optimization
- data integration
- aggregate queries
- management system
- xml queries
- query execution
- query language