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Erschienen in:
2016 | OriginalPaper | Buchkapitel
Online Extreme Entropy Machines for Streams Classification and Active Learning
verfasst von : Wojciech Marian Czarnecki, Jacek Tabor
Erschienen in: Proceedings of the 9th International Conference on Computer Recognition Systems CORES 2015
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Abstract
When dealing with large evolving datasets one needs machine learning models able to adapt to the growing number of information. In particular, stream classification is a research topic where classifiers need an ability to rapidly change their solutions and behave stably after many changes in training set structure. In this paper we show how recently proposed Extreme Entropy Machine can be trained in an online fashion supporting not only adding/removing points to/from the model but even changing the size of the internal representation on demand. In particular we show how one can build a well-conditioned covariance estimator in an online scenario. All these operations are guaranteed to converge to the optimal solutions given by their offline counterparts.