3 papers
cs.AI2026
Splitting Argumentation Frameworks with Collective Attacks and Supports
Matti Berthold, Lydia Blümel, Giovanni Buraglio +1
This work proposes novel splitting techniques for argumentation formalisms that incorporate supports between defeasible elements. We base our studies on bipolar set-based argumenta…
cs.AI2026
On the Complexity of the Discussion-based Semantics in Abstract Argumentation
Lydia Blümel, Kai Sauerwald, Kenneth Skiba +1
We show that deciding whether an argument a is stronger than an argument b with respect to the discussion-based semantics of Amgoud and Ben-Naim is decidable in polynomial time. At…
cs.AI2025
On Strong and Weak Admissibility in Non-Flat Assumption-Based Argumentation
Matti Berthold, Lydia Blümel, Anna Rapberger
In this work, we broaden the investigation of admissibility notions in the context of assumption-based argumentation (ABA). More specifically, we study two prominent alternatives t…