Keyphrases
- logic programs
- logic programming
- answer sets
- stable models
- fixpoint
- answer set programming
- normal logic programs
- general logic programs
- computational properties
- logic program updates
- prolog programs
- extended logic programs
- background knowledge
- inductive logic programming
- partial deduction
- counter examples
- inside outside algorithm
- incomplete information
- deductive databases
- information extraction
- loop formulas
- horn clauses
- stable model semantics
- propositional theories
- existentially quantified