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Certainty Factor Triunity in Medical Diagnostics Tasks
Scientific and Technical Information Processing, 2019This paper suggests approaches to investigating and solving the problem of three factors that characterize the measure of expert confidence in the occurrence of symptoms in diseases, the timing of the manifestation of symptoms, and the frequency of symptoms in progressive hereditary diseases in five age groups that differ in clinical manifestations (a ...
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On the interpretation of certainty factors in expert systems
Artificial Intelligence in Medicine, 1996Despite the strong theoretical foundation the Bayesian probabilistic approach to model uncertainty in medicine meets many difficulties at the implementation step. One of these difficulties is related to a large amount of conditional probabilities to be assessed and in many cases this task was recognised to be practically insoluble.
G P, Cruz, G, Beliakov
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Probabilistic Interpretations for Mycin's Certainty Factors
1986We propose a redefinition of the quantities called certainty factors used by MYCIN to manage uncertainty. This definition is based on the desiderata of certainty factors given in the original work. It is emphasized that this definition reflects the not ion that certainty factors represent changes in belief about hypotheses given evidence as opposed to ...
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Learning in certainty-factor-based neural networks
1998 IEEE International Joint Conference on Neural Networks Proceedings. IEEE World Congress on Computational Intelligence (Cat. No.98CH36227), 2002The certainty-factor-based neural network refers to a multilayer neural network where the network activation function is based on the certainty factor (CF) model of MYCIN-like systems. It is shown that the neural network using the CF-based activation function requires relatively small sample sizes for correct generalization and hence also facilitates ...
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Ethical judgment, subjective norms, and ethical consumption: The moderating role of moral certainty
Journal of Retailing and Consumer Services, 2021Abdallah Alsaad
exaly