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Erschienen in: Neural Computing and Applications 15/2021

26.02.2021 | Original Article

DCA for online prediction with expert advice

verfasst von: Hoai An Le Thi, Vinh Thanh Ho

Erschienen in: Neural Computing and Applications | Ausgabe 15/2021

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Abstract

We investigate DC (Difference of Convex functions) programming and DCA (DC Algorithm) for a class of online learning techniques, namely prediction with expert advice, where the learner’s prediction is made based on the weighted average of experts’ predictions. The problem of predicting the experts’ weights is formulated as a DC program for which an online version of DCA is investigated. The two so-called approximate/complete variants of online DCA based schemes are designed, and their regrets are proved to be logarithmic/sublinear. The four proposed algorithms for online prediction with expert advice are furthermore applied to online binary classification. Experimental results tested on various benchmark datasets showed their performance and their superiority over three standard online prediction with expert advice algorithms—the well-known weighted majority algorithm and two online convex optimization algorithms.

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Metadaten
Titel
DCA for online prediction with expert advice
verfasst von
Hoai An Le Thi
Vinh Thanh Ho
Publikationsdatum
26.02.2021
Verlag
Springer London
Erschienen in
Neural Computing and Applications / Ausgabe 15/2021
Print ISSN: 0941-0643
Elektronische ISSN: 1433-3058
DOI
https://doi.org/10.1007/s00521-021-05709-0

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