Keyphrases
- answer set semantics
- logic programs
- answer sets
- logic programming
- answer set programming
- normal logic programs
- propositional logic
- abductive logic programming
- extended logic programs
- strong equivalence
- petri net
- dl programs
- fixpoint
- programming language
- ontology languages
- semantics of logic programs
- description logic programs
- stable models
- reasoning tasks
- propositional theories
- deductive databases
- search space
- relational databases
- information systems