Answer sets for prioritized logic programs
ILPS '97 Proceedings of the 1997 international symposium on Logic programming
Preferred answer sets for extended logic programs
Artificial Intelligence
Reasoning with Prioritized Defaults
LPKR '97 Selected papers from the Third International Workshop on Logic Programming and Knowledge Representation
A Compilation of Brewka and Eiter's Approach to Prioritization
JELIA '00 Proceedings of the European Workshop on Logics in Artificial Intelligence
A Deductive System for Non-Monotonic Reasoning
LPNMR '97 Proceedings of the 4th International Conference on Logic Programming and Nonmonotonic Reasoning
Smodels - An Implementation of the Stable Model and Well-Founded Semantics for Normal LP
LPNMR '97 Proceedings of the 4th International Conference on Logic Programming and Nonmonotonic Reasoning
Compiling reasoning with and about preferences into default logic
IJCAI'97 Proceedings of the 15th international joint conference on Artifical intelligence - Volume 1
A comparative study of logic programs with preference
IJCAI'01 Proceedings of the 17th international joint conference on Artificial intelligence - Volume 1
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This paper describes a generic compiler, called plp, for translating ordered logic programs into standard logic programs under the answer set semantics. In an ordered logic program, preference information is expressed at the object level by atoms of the form s × t, where s and t are names of rules. An ordered logic program is transformed into a second, regular, extended logic program wherein the preferences are respected, in that the answer sets obtained in the transformed theory correspond with the preferred answer sets of the original theory. Currently, plp treats three different types of preference strategies, viz. those proposed by (i) Brewka and Eiter, (ii) Delgrande, Schaub, and Tompits, and (iii) Wang, Zhou, and Lin. Since the result of the translation is an extended logic program, existing logic programming systems can be used as underlying reasoning engine. In particular, plp is conceived as a front-end to the logic programming systems dlv and smodels.