Informative and Cooperative Answers in Databases Using Integrity Constraints.
Annie GalJack MinkerPublished in: Natural Language Understanding and Logic Programming Workshop (1987)
Keyphrases
- integrity constraints
- consistent answers
- cooperative
- databases
- inclusion dependencies
- database integrity
- query answering
- deductive databases
- null values
- consistent query answering
- integrity checking
- functional dependencies
- constraint checking
- database schema
- inconsistent databases
- conjunctive queries
- set of functional dependencies
- database
- consistent query answers
- schema integration
- query answers
- relational databases
- federated databases
- database transactions
- database applications
- xml documents
- query rewriting
- database systems
- database queries
- data exchange
- np complete