Computing acceptability semantics of abstract argumentation frameworks is receiving increasing attention. Large-scale instances, with a clustered structure, have shown particularly difficult to compute. This paper presents a distributed algorithm, AFDivider, that enumerates the acceptable sets under several labelling-based semantics. This algorithm starts with cutting the argumentation framework into clusters thanks to a spectral clustering method, before computing simultaneously in each cluster parts of the labellings. This algorithm is proven to be sound and complete for the stable, complete and preferred semantics, and empirical results are presented.
CITATION STYLE
Doutre, S., Lafages, M., & Lagasquie-Schiex, M. C. (2019). A Distributed and Clustering-Based Algorithm for the Enumeration Problem in Abstract Argumentation. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 11873 LNAI, pp. 87–105). Springer. https://doi.org/10.1007/978-3-030-33792-6_6
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