Keyphrases
- logic programs
- answer set semantics
- answer sets
- logic programming
- normal logic programs
- answer set programming
- extended logic programs
- abductive logic programming
- strong equivalence
- fixpoint
- inductive logic programming
- stable models
- loop formulas
- computational properties
- semantics of logic programs
- propositional theories
- stable model semantics
- disjunctive logic programming
- ontology languages
- horn clauses
- nonmonotonic reasoning
- semantics for logic programs
- deductive databases
- answer set programs
- database systems