Keyphrases
- deductive databases
- integrity constraints
- logic programming
- fixpoint
- semantic query optimization
- semantics of logic programs
- disjunctive deductive databases
- query evaluation
- declarative language
- integrity checking
- model theoretic
- declarative semantics
- constraint checking
- event calculus
- closed world assumption
- stable models
- database systems
- logical implication
- datalog programs
- logic programs