Comparative Expressivity for Structured Argumentation Frameworks with Uncertain Rules and Premises
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arXiv
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| Hauptverfasser: | , |
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| Format: | Preprint |
| Veröffentlicht: |
2025
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| _version_ | 1866908837963890688 |
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| author | Proietti, Carlo Yuste-Ginel, Antonio |
| author_facet | Proietti, Carlo Yuste-Ginel, Antonio |
| contents | Modelling qualitative uncertainty in formal argumentation is essential both for practical applications and theoretical understanding. Yet, most of the existing works focus on \textit{abstract} models for arguing with uncertainty. Following a recent trend in the literature, we tackle the open question of studying plausible instantiations of these abstract models. To do so, we ground the uncertainty of arguments in their components, structured within rules and premises. Our main technical contributions are: i) the introduction of a notion of expressivity that can handle abstract and structured formalisms, and ii) the presentation of both negative and positive expressivity results, comparing the expressivity of abstract and structured models of argumentation with uncertainty. These results affect incomplete abstract argumentation frameworks, and their extension with dependencies, on the abstract side, and ASPIC+, on the structured side. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2510_18631 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Comparative Expressivity for Structured Argumentation Frameworks with Uncertain Rules and Premises Proietti, Carlo Yuste-Ginel, Antonio Artificial Intelligence Logic in Computer Science 03B60 Modelling qualitative uncertainty in formal argumentation is essential both for practical applications and theoretical understanding. Yet, most of the existing works focus on \textit{abstract} models for arguing with uncertainty. Following a recent trend in the literature, we tackle the open question of studying plausible instantiations of these abstract models. To do so, we ground the uncertainty of arguments in their components, structured within rules and premises. Our main technical contributions are: i) the introduction of a notion of expressivity that can handle abstract and structured formalisms, and ii) the presentation of both negative and positive expressivity results, comparing the expressivity of abstract and structured models of argumentation with uncertainty. These results affect incomplete abstract argumentation frameworks, and their extension with dependencies, on the abstract side, and ASPIC+, on the structured side. |
| title | Comparative Expressivity for Structured Argumentation Frameworks with Uncertain Rules and Premises |
| topic | Artificial Intelligence Logic in Computer Science 03B60 |
| url | https://arxiv.org/abs/2510.18631 |