A Bayesian approach to abrupt concept drift

A. Cano,Manuel Gómez-Olmedo,S. Moral

Published 2019 in Knowledge-Based Systems

ABSTRACT

Abstract This paper proposes a model for estimating probabilities in the presence of abrupt concept drift. This proposal is based on a dynamic Bayesian network. As the exact estimation of the parameters is unfeasible we propose an approximate procedure based on discretizing both the possible probability values and the parameter representing the probability of change. The result is a method which is quite efficient in time and space (with a complexity directly related to the number of points used in the discretization) and providing very accurate predictions as well. These benefits are checked with a detailed comparison with other standard procedures based on variable size windows or forgetting rates.

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REFERENCES

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