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Open answer set programming with guarded programs
2008
ACM Transactions on Computational Logic
Open answer set programming (OASP) is an extension of answer set programming where one may ground a program with an arbitrary superset of the program's constants. We define a fixed point logic (FPL) extension of Clark's completion such that open answer sets correspond to models of FPL formulas and identify a syntactic subclass of programs, called (loosely) guarded programs. Whereas reasoning with general programs in OASP is undecidable, the FPL translation of (loosely) guarded programs falls in
doi:10.1145/1380572.1380575
fatcat:4czeusi3pjh6jlxga3k4fjrjje