Easy problems for tree-decomposable graphs
Journal of Algorithms
Graph rewriting: an algebraic and logic approach
Handbook of theoretical computer science (vol. B)
A Linear-Time Algorithm for Finding Tree-Decompositions of Small Treewidth
SIAM Journal on Computing
Discrete Applied Mathematics - Special issue on international workshop of graph-theoretic concepts in computer science WG'98 conference selected papers
Context-free Handle-rewriting Hypergraph Grammars
Proceedings of the 4th International Workshop on Graph-Grammars and Their Application to Computer Science
Approximating clique-width and branch-width
Journal of Combinatorial Theory Series B
Argumentation in artificial intelligence
Artificial Intelligence
Computational properties of argument systems satisfying graph-theoretic constraints
Artificial Intelligence
Reasoning in Argumentation Frameworks Using Quantified Boolean Formulas
Proceedings of the 2006 conference on Computational Models of Argument: Proceedings of COMMA 2006
SCC-recursiveness: a general schema for argumentation semantics
Artificial Intelligence
Bounded treewidth as a key to tractability of knowledge representation and reasoning
Artificial Intelligence
Complexity of semi-stable and stage semantics in argumentation frameworks
Information Processing Letters
Reasoning in Argumentation Frameworks of Bounded Clique-Width
Proceedings of the 2010 conference on Computational Models of Argument: Proceedings of COMMA 2010
Proceedings of the 2010 conference on Computational Models of Argument: Proceedings of COMMA 2010
On the resolution-based family of abstract argumentation semantics and its grounded instance
Artificial Intelligence
Finding partitions of arguments with Dung's properties via SCSPs
Proceedings of the 2011 ACM Symposium on Applied Computing
Argumentation and answer set programming
Logic programming, knowledge representation, and nonmonotonic reasoning
Discovering theorems in game theory: Two-person games with unique pure Nash equilibrium payoffs
Artificial Intelligence
Argumentation frameworks as constraint satisfaction problems
SUM'11 Proceedings of the 5th international conference on Scalable uncertainty management
Towards fixed-parameter tractable algorithms for abstract argumentation
Artificial Intelligence
Structural properties for deductive argument systems
ECSQARU'13 Proceedings of the 12th European conference on Symbolic and Quantitative Approaches to Reasoning with Uncertainty
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We propose the formalism of Monadic Second Order Logic (MSO) as a unifying framework for representing and reasoning with various semantics of abstract argumentation. We express a wide range of semantics within the proposed framework, including the standard semantics due to Dung, semi-stable, stage, cf2, and resolution-based semantics. We provide building blocks which make it easy and straight-forward to express further semantics and reasoning tasks. Our results show that MSO can serve as a lingua franca for abstract argumentation that directly yields to complexity results. In particular, we obtain that for argumentation frameworks with certain structural properties the main computational problems with respect to MSO-expressible semantics can all be solved in linear time. Furthermore, we provide a novel characterization of resolution-based grounded semantics.