
Modelling continuous positive and negative reasons in decision aiding
Tsoukiàs, Alexis; Ozturk, Meltem (2004), Modelling continuous positive and negative reasons in decision aiding, 10th International Workshop on Non-Monotonic Reasoning (NMR 2004), Whistler, CANADA
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Communication / ConférenceDate
2004Conference title
10th International Workshop on Non-Monotonic Reasoning (NMR 2004)Conference city
WhistlerConference country
CANADAMetadata
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Tsoukiàs, Alexis
Laboratoire d'analyse et modélisation de systèmes pour l'aide à la décision [LAMSADE]
Ozturk, Meltem
Laboratoire d'analyse et modélisation de systèmes pour l'aide à la décision [LAMSADE]
Abstract (EN)
The use of positive and negative reasons in inference and decision aiding is a recurrent issue of investigation as far as the type of formal language to use within a DSS is concerned. A language enabling to explicitly take into account such reasons is Belnap's logic and the four valued logics derived from it. In this paper, we explore the interpretation of a continuous extension of a four valued logic as a necessity degree (in possibility theory). It turns out that, in order to take full advantage of the four values, we have to consider “sub-normalised” necessity measures. Under such a hypothesis four valued logics become the natural logical frame for such an approach.Subjects / Keywords
Four valued logic; Possibility theory; Uncertainty; Decision making; Preference modellingRelated items
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