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Communication Dans Un Congrès Année : 2017

Confidence Assessment Framework for Safety Arguments

Résumé

Confidence in safety critical systems is often justified by safety arguments. The excessive complexity of systems nowadays introduces more uncertainties for the arguments reviewing. This paper proposes a framework to support the argumentation assessment based on experts' decision and confidence in the decision for the lowest level claims of the arguments. Expert opinion is extracted and converted in a quantitative model based on Dempster-Shafer theory. Several types of argument and associated formulas are proposed. A preliminary validation of this framework is realized through a survey for safety experts.
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Dates et versions

hal-01533221 , version 1 (06-06-2017)

Identifiants

  • HAL Id : hal-01533221 , version 1

Citer

Rui Wang, Jérémie Guiochet, Gilles Motet. Confidence Assessment Framework for Safety Arguments. International Conference on Computer Safety, Reliability, and Security (SAFECOMP), Trento, Italy, Sep 2017, Trento, Italy. 14p. ⟨hal-01533221⟩
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