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» Parameterized Modal Satisfiability
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FSTTCS
2010
Springer
13 years 4 months ago
Satisfiability of Acyclic and Almost Acyclic CNF Formulas
We study the propositional satisfiability problem (SAT) on classes of CNF formulas (formulas in Conjunctive Normal Form) that obey certain structural restrictions in terms of thei...
Sebastian Ordyniak, Daniël Paulusma, Stefan S...
JOLLI
2002
92views more  JOLLI 2002»
13 years 5 months ago
A Tableau Method for Graded Intersections of Modalities: A Case for Concept Languages
A concept language with role intersection and number restriction is defined and its modal equivalent is provided. The main reasoning tasks of satisfiability and subsumption checkin...
Ani Nenkova
CORR
2008
Springer
120views Education» more  CORR 2008»
13 years 6 months ago
On the Complexity of Elementary Modal Logics
Modal logics are widely used in computer science. The complexity of modal satisfiability problems has been investigated since the 1970s, usually proving results on a case-by-case b...
Edith Hemaspaandra, Henning Schnoor
ENTCS
2010
136views more  ENTCS 2010»
13 years 3 months ago
A Solver for Modal Fixpoint Logics
We present MLSolver, a tool for solving the satisfiability and validity problems for modal fixpoint logics. The underlying technique is based on characterisations of satisfiabilit...
Oliver Friedmann, Martin Lange