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- W2289595871 abstract "The Dempster-Shafer (D-S) theory of evidence suggests a coherent approach to aggregate evidence bearing on hierarchically related hypotheses. However, the representation of uncertain implications between evidence and hypotheses has been a serious difficulty in applications of the theory. We propose a model of evidential reasoning based on a modified D-S theory where the implication strengths are measured by conditional probabilities. Combining belief updates instead of belief functions using Dempster''s rule is justified with clear assumptions, and it is consistent with Bayes theorem under the conditional independence assumption. Like the D-S theory, our model expresses degree of ignorance when there is not enough evidence to determine a precise belief function. The model is most appropriate for the problem areas where prior probabilities of the hierarchically related hypotheses are available." @default.
- W2289595871 created "2016-06-24" @default.
- W2289595871 creator A5024832299 @default.
- W2289595871 date "1985-12-31" @default.
- W2289595871 modified "2023-09-22" @default.
- W2289595871 title "A Model of Evidential Reasoning In a Hierarchical Hypothesis Space" @default.
- W2289595871 hasPublicationYear "1985" @default.
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