Generating negations of probability distributions
Recently, the notation of a negation of a probability distribution was introduced. The need for such negation arises when a knowledge-based system can use the terms like NOT HIGH, where HIGH is represented by a probability distribution (pd). For example, HIGH PROFIT or HIGH PRICE can be considered....
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Published in | Soft computing (Berlin, Germany) Vol. 25; no. 12; pp. 7929 - 7935 |
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Main Authors | , , , , |
Format | Journal Article |
Language | English |
Published |
Berlin/Heidelberg
Springer Berlin Heidelberg
01.06.2021
Springer Nature B.V |
Subjects | |
Online Access | Get full text |
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Summary: | Recently, the notation of a negation of a probability distribution was introduced. The need for such negation arises when a knowledge-based system can use the terms like
NOT HIGH,
where
HIGH
is represented by a probability distribution (pd). For example,
HIGH PROFIT
or
HIGH PRICE
can be considered. The application of this negation in Dempster–Shafer theory was considered in many works. Although several negations of probability distributions have been proposed, it was not clear how to construct other negations. In this paper, we consider negations of probability distributions as point-by-point transformations of pd using decreasing functions defined on [0,1] called negators. We propose the general method of generation of negators and corresponding negations of pd, and study their properties. We give a characterization of linear negators as a convex combination of Yager’s and uniform negators. |
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ISSN: | 1432-7643 1433-7479 |
DOI: | 10.1007/s00500-021-05802-5 |