BELIEF FUNCTIONS AND THE
TRANSFERABLE BELIEF MODEL
Philippe Smets
Abstract:
Belief functions have been proposed for modeling someone's
degrees of belief. They provide alternatives to the models
based on probability functions or on possibility functions.
There are several interpretations of belief functions:
the lower probabilities model, Dempster's model, the hint
model, the probability of modal propositions model, the
transferable belief model. All these models are
unfortunately clustered under the generic name
of Dempster--Shafer theory, which hides their differences
and explains most of the confusion and errors that
appear in the literature.
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