Maly, Jan, and Johannes P. Wallner. 2021. “Ranking Sets of Defeasible Elements in Preferential Approaches to Structured Argumentation: Postulates, Relations, and Characterizations”. Proceedings of the AAAI Conference on Artificial Intelligence 35 (7):6435-43. https://doi.org/10.1609/aaai.v35i7.16798.