Abstract
Nieuwenhuis, Oliveras, and Tinelli showed how to describe enhancements of the Davis-Putnam-Logemann-Loveland algorithm using transition systems, instead of pseudocode. We design a similar framework for three algorithms that generate answer sets for logic programs: smodels, asp-sat with Backtracking, and a newly designed and implemented algorithm sup. This approach to describing answer set solvers makes it easier to prove their correctness, to compare them, and to design new systems.
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Lierler, Y. (2008). Abstract Answer Set Solvers. In: Garcia de la Banda, M., Pontelli, E. (eds) Logic Programming. ICLP 2008. Lecture Notes in Computer Science, vol 5366. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-89982-2_35
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DOI: https://doi.org/10.1007/978-3-540-89982-2_35
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