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2022 | OriginalPaper | Buchkapitel

A Definition of Sceptical Semantics in the Constellations Approach

verfasst von : Stefano Bistarelli, Francesco Santini

Erschienen in: Logic Programming and Nonmonotonic Reasoning

Verlag: Springer International Publishing

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Abstract

We propose a different way to compute sceptical semantics in the constellations approach: we define the grounded, ideal, and eager extension of a Probabilistic Argumentation Framework by merging the subsets with the maximal probability of complete, preferred, semi-stable extensions respectively. Differently from the original work (i.e., [19]), the extension we propose is unique, as the principle of scepticism usually demands. This definition maintains some well-known properties, as set-inclusion among the three semantics. Moreover, we advance a quantitative relaxation of these semantics with the purpose to mitigate scepticism in case the result corresponds to empty-set, which is not very informative.

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Metadaten
Titel
A Definition of Sceptical Semantics in the Constellations Approach
verfasst von
Stefano Bistarelli
Francesco Santini
Copyright-Jahr
2022
DOI
https://doi.org/10.1007/978-3-031-15707-3_6

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