The well-founded semantics for general logic programs
Journal of the ACM (JACM)
Preferred answer sets for extended logic programs
Artificial Intelligence
Graphs and colorings for answer set programming with preferences
Fundamenta Informaticae
Computing preferred answer sets by meta-interpretation in Answer Set Programming
Theory and Practice of Logic Programming
A semantic framework for preference handling in answer set programming
Theory and Practice of Logic Programming
A framework for compiling preferences in logic programs
Theory and Practice of Logic Programming
Translating Preferred Answer Set Programs to Propositional Logic
LPNMR '09 Proceedings of the 10th International Conference on Logic Programming and Nonmonotonic Reasoning
On the semantics of logic programs with preferences
Journal of Artificial Intelligence Research
On the semantics of logic programs with preferences
JELIA'06 Proceedings of the 10th European conference on Logics in Artificial Intelligence
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The integration of preferences into Answer Set Programming (ASP) constitutes an important practical device for distinguishing certain preferred answer sets from non-preferred ones. Up to now, the preference semantics we are considering in this system description were incorporated into answer set solvers either by meta-interpretation [3] or by pre-compilation front-ends [2]; therefore, such kinds of preferences were never integrated into the core existing ASP solvers.