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Symbolic and Quantitative Approaches to Uncertainty

European Conference ECSQAU, Marseille, France, October 15-17, 1991. Proceedings

This collection of papers reflects the state of the art of Uncertainty Management Systems in Europe. The papers address such topics as nonmonotonic logics, modal logics, probability theory, belief function theory, and fuzzy sets and possibility theory.

Following the method presented in Adlassnig annd Kolarz (1982), the computed
numerical values are: very low = 0.1 low = 0.25 , medium = 0.5 , high = 0.75 , high
= 0.75 , very high = 0.9 . The examples considered were clinical cases of female
subjects diagnosed as postmenopausal and senile osteoporosis. Background
knowledge, in the form of rules, has been used to prune the antecedent
explosion for each diagnostic subclass considered. Results obtained for each
diagnostic ...