Qualitative Entropy Maximization - A preliminary report. G.Brewka, C.Witteveen and E.Weydert. How to build a canonical ranking model of a default knowledge base. A.G.Cohn, L.Schubert and S.C.Shapiro. Morgan Kaufmann, 1998.
Decision theory meets artificial intelligence - qualitative and quantitative approaches .
A preliminary account. In Proceedings of the 7th International Workshop on Nonmonotonic Reasoning . Trento, Italy, 1998. JZBR - Iterated Belief Change for Conditional Ranking Constraints. ILLC Scientific Publications, Amsterdam, 1999.