Nonmonotonic inference based on expectations
Artificial Intelligence
Artificial Intelligence
On the Logic of Theory Base Change
JELIA '94 Proceedings of the European Workshop on Logics in Artificial Intelligence
Revisions of knowledge systems using epistemic entrenchment
TARK '88 Proceedings of the 2nd conference on Theoretical aspects of reasoning about knowledge
Iterated theory base change: a computational model
IJCAI'95 Proceedings of the 14th international joint conference on Artificial intelligence - Volume 2
Explanations, belief revision and defeasible reasoning
Artificial Intelligence
Predicting causality ascriptions from background knowledge: model and experimental validation
International Journal of Approximate Reasoning
Background default knowledge and causality ascriptions
Proceedings of the 2006 conference on ECAI 2006: 17th European Conference on Artificial Intelligence August 29 -- September 1, 2006, Riva del Garda, Italy
Iterated theory base change: a computational model
IJCAI'95 Proceedings of the 14th international joint conference on Artificial intelligence - Volume 2
Review: on the evolving relation between belief revision and argumentation
The Knowledge Engineering Review
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Intelligent Information systems do not usually possess complete information about the world with which they interact. The AGM paradigm has become one of the standard frameworks for modeling changes to repositories of information. Its principal constructions for change operators rely on some form of underlying preference relation. The process of changing such a preference relation is known as a transmutation. Spohn's conditionalization can be interpreted as a transmutation that imposes a relative minimal change. A transmutation based on an absolute minimal change is an adjustment. In this paper we develop a notion of explanation using transmutations of information systems. Following Gardenfors lead we recast Spohn's notion of reason for within the general setting of transmutations and extend this to characterize most plausible explanations. We also investigate the relationship between explanation based on abduction and Spohnian reasons based on adjustments. Finally, and rather surprisingly, we identify explicit conditions that characterize the various forms of explanations identified by Boutilier and Becher using Spohnian reasons.