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Literature review of methods for representing uncertainty

Auteur(s)
Enrico Zio
Nicola Pedroni
Numéro
2013-03
Nombre de pages
49 pages
Type dans la collection
Apport de la recherche
Centre d'intérêt
L'Analyse De Risque

Literature review of methods for representing uncertainty

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Résumé

This document provides a critical review of different frameworks for uncertainty analysis, in a risk analysis context: classical probabilistic analysis, imprecise probability (interval analysis), probability bound analysis, evidence theory, and possibility theory.

The driver of the critical analysis is the decision-making process and the need to feed it with representative information derived from the risk assessment, to robustly support the decision. Technical details of the different frameworks are exposed only to the extent necessary to analyze and judge how these contribute to the communication of risk and the representation of the associated uncertainties to decision-makers, in the typical settings of high-consequence risk analysis of complex systems with limited knowledge on their behaviour.

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