1. Preferences in AI: an overview;Domshlak;Artif. Intell.,2011
2. On the difference between updating a knowledge base and revising it;Katsuno,1992
3. Revising non-monotonic belief sets: the case of defeasible logic;Billington,1999
4. Changing legal systems: legal abrogations and annulments in defeasible logic;Governatori;Log. J. IGPL,2010
5. Belief revision of logic programs under answer set semantics;Delgrande,2008