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Artificial Intelligence
Impediments to universal preference-based default theories
Artificial Intelligence - Special issue on knowledge representation
Epistemic entrenchment and possibilistic logic
Artificial Intelligence
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Artificial Intelligence
Nonmonotonic inference based on expectations
Artificial Intelligence
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AAAI'94 Proceedings of the twelfth national conference on Artificial intelligence (vol. 2)
Nonmonotonic reasoning, conditional objects and possibility theory
Artificial Intelligence
Logical representation and computation of optimal decisions in a qualitative setting
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IJCAI '99 Proceedings of the Sixteenth International Joint Conference on Artificial Intelligence
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IJCAI '99 Proceedings of the Sixteenth International Joint Conference on Artificial Intelligence
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IJCAI '99 Proceedings of the Sixteenth International Joint Conference on Artificial Intelligence
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AAAI'96 Proceedings of the thirteenth national conference on Artificial intelligence - Volume 2
Qualitative models for decision under uncertainty without the commensurability assumption
UAI'99 Proceedings of the Fifteenth conference on Uncertainty in artificial intelligence
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The paper survey recent AI-oriented works in qualitative decision developed by the authors in the framework of possibility theory. Lottery-based and act-based axiomatics underlying pessimistic and optimistic criteria for decision under uncertainty are first briefly restated, when uncertainty and preferences are encoded with an ordinal scale. A logical machinery capable of computing optimal decisions in the sense of these criteria is presented. Then an approach to qualitative decision under uncertainty which does not require a commensurateness hypothesis between the uncertainty and the preference scales is proposed; this approach is closely related to nonmonotonic reasoning, but turns our to be ineffective for practical decision. Lastly, the modeling of preference as prioritized sets of goals, as sets of solutions reaching some given level of satisfaction, or in terms of possibilistic constraints is discussed briefly.