Keyphrases
- deductive databases
- data protection
- unauthorized access
- integrity constraints
- logic programming
- query evaluation
- access control
- fixpoint
- disjunctive deductive databases
- declarative language
- semantic query optimization
- model theoretic
- closed world assumption
- integrity checking
- sensitive information
- declarative semantics
- sensitive data
- constraint checking
- answer set programming
- expert systems
- stable models
- hypothetical reasoning
- logical implication
- data management