Extending relational query optimization to dynamic schemas for information integration in multidatabases.
Catharine M. WyssFelix I. WyssPublished in: SIGMOD Conference (2007)
Keyphrases
- query optimization
- information integration
- multidatabase systems
- data sources
- database systems
- schema matching
- cost model
- query processing
- xml schema
- xml data
- cost estimation
- data model
- semi structured
- query execution
- cardinality estimation
- database schema
- databases
- query optimizer
- query plan
- query optimizers
- data integration
- transaction management
- web mining
- continuous queries
- deep web
- relational model
- query interface
- distributed database systems
- data warehouse
- data exchange
- selectivity estimation
- information retrieval
- schema mappings
- database