Coalition-based Semantics

Given a semantics $\sigma$ , a set $E \subseteq A$ is a coalition $\sigma$ -extension of a BAF $B = (A, R, S)$ iff $E = \bigcup \mathcal{C}$ for some $\sigma$ -extension $\mathcal{C}$ of the coalition graph $F^{\mathsf{Coal}}_B$ .

Reference

Cayrol, C. & Lagasquie-Schiex, M.-C. (2010). Coalitions of Arguments: A Tool for Handling Bipolar Argumentation Frameworks. International Journal of Intelligent Systems, 25(1), pp. 83–109.