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» Logic Programs under Three-Valued Lukasiewicz Semantics
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CORR
2008
Springer
110views Education» more  CORR 2008»
13 years 7 months ago
Justifications for Logic Programs under Answer Set Semantics
The paper introduces the notion of off-line justification for Answer Set Programming (ASP). Justifications provide a graph-based explanation of the truth value of an atom w.r.t. a ...
Enrico Pontelli, Tran Cao Son, Omar El-Khatib
LPNMR
2007
Springer
14 years 1 months ago
Alternative Characterizations for Program Equivalence under Answer-Set Semantics: Preliminary Report
Logic programs under answer-set semantics constitute an important tool for declarative problem solving. In recent years, two research issues received growing attention. On the one ...
Martin Gebser, Torsten Schaub, Hans Tompits, Stefa...
FOIKS
2008
Springer
13 years 9 months ago
Alternative Characterizations for Program Equivalence under Answer-Set Semantics Based on Unfounded Sets
Logic programs under answer-set semantics constitute an important tool for declarative problem solving. In recent years, two research issues received growing attention. On the one ...
Martin Gebser, Torsten Schaub, Hans Tompits, Stefa...
LPNMR
2004
Springer
14 years 22 days ago
Simplifying Logic Programs Under Uniform and Strong Equivalence
Abstract. We consider the simplification of logic programs under the stablemodel semantics, with respect to the notions of strong and uniform equivalence between logic programs, r...
Thomas Eiter, Michael Fink, Hans Tompits, Stefan W...