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Qualitative decision models under uncertainty without the commensurability hypothesis

Abstract : This paper investigates a purely qualitative version of Savage's theory for decision making under uncertainty. Until now, most representation theorems for preference over acts rely on a numerical representation of utility and uncertainty where utility and uncertainty are commensurate. Disrupting the tradition, we relax this assumption and introduce a purely ordinal axiom requiring that the Decision Maker (DM) preference between two acts only depends on the relative position of their consequences for each state. Within this qualitative framework, we determine the only possible form of the decision rule and investigate some instances compatible with the transitivity of the strict preference.
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https://hal.archives-ouvertes.fr/hal-01574048
Contributor : Lip6 Publications <>
Submitted on : Friday, August 11, 2017 - 2:52:55 PM
Last modification on : Tuesday, September 8, 2020 - 10:52:01 AM

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  • HAL Id : hal-01574048, version 1

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Hélène Fargier, Patrice Perny. Qualitative decision models under uncertainty without the commensurability hypothesis. UAI'99 - 15th conference on Uncertainty in artificial intelligence, Jul 1999, Stockholm, Sweden. pp.188-195. ⟨hal-01574048⟩

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