Using Heterogeneous Equivalences for Query Rewriting in Multidatabase Systems.
Daniela FlorescuLouiqa RaschidPatrick ValduriezPublished in: CoopIS (1995)
Keyphrases
- multidatabase systems
- query rewriting
- query optimization
- database systems
- cost model
- query processing
- query execution
- query answering
- xml data
- transaction management
- heterogeneous data
- conjunctive queries
- relational algebra
- xml queries
- multi dimensional
- spatial databases
- distributed database systems
- tree patterns
- data structure
- database