Preferred Semantics (ADF)

A three-valued interpretation $v$ of an ADF is a preferred model iff $v$ is complete and there is no complete model $v'$ such that $v <_i v'$ in the information ordering.

Reference

Brewka, G., Ellmauthaler, S., Strass, H., Wallner, J.P. & Woltran, S. (2013). Abstract Dialectical Frameworks Revisited. In: Proceedings of the 23rd International Joint Conference on Artificial Intelligence (IJCAI 2013), pp. 803–809. AAAI Press.