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Dynamic weighted majority: a new ensemble method for tracking concept drift

Kolter, J.Z., Maloof, M.A.·2004·Third IEEE International Conference on Data Mining

Abstract

Algorithms for tracking concept drift are important for many applications. We present a general method based on the weighted majority algorithm for using any online learner for concept drift. Dynamic weighted majority (DWM) maintains an ensemble of base learners, predicts using a weighted-majority vote of these "experts", and dynamically creates and deletes experts in response to changes in performance. We empirically evaluated two experimental systems based on the method using incremental naive Bayes and incremental tree inducer [ITI] as experts. For the sake of comparison, we also included Blum's implementation of weighted majority. On the STAGGER concepts and on the SEA concepts, results suggest that the ensemble method learns drifting concepts almost as well as the base algorithms learn each concept individually. Indeed, we report the best overall results for these problems to date.

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Metadata

Authors
Kolter, J. Z., & Maloof, M. A.
Venue
Third IEEE International Conference on Data Mining
Published
2004-04-23
Pages
123-130
ISSN
1550-4786 (ISSN-L)
OpenAlex
W2110222014
Cited by
419
References
3
FWCI
10.19
Type
conference paper
Language
en
Open access
closed

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CoChat. (2026). Citation check: Dynamic weighted majority: a new ensemble method for tracking concept drift. https://app.cochat.ai/papers/10.1109/icdm.2003.1250911
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Kolter, J. Z., & Maloof, M. A. (2004). Dynamic weighted majority: a new ensemble method for tracking concept drift. Third IEEE International Conference on Data Mining. https://doi.org/10.1109/icdm.2003.1250911

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