Opening, Closing Worlds - On Integrity Constraints.
Evren SirinMichael SmithEvan WallacePublished in: OWLED (2008)
Keyphrases
- integrity constraints
- deductive databases
- integrity checking
- functional dependencies
- inclusion dependencies
- database schema
- database integrity
- conjunctive queries
- query answering
- xml documents
- active databases
- database transactions
- null values
- constraint checking
- xml schema
- active rules
- schema integration
- databases
- normal form