Classifier ensembles for virtual concept drift - the DEnBoost algorithm

  • Authors:
  • Kamil Bartocha;Igor T. Podolak

  • Affiliations:
  • Institute of Computer Science, Faculty of Mathematics and Computer Science, Jagiellonian University, Kraków, Poland;Institute of Computer Science, Faculty of Mathematics and Computer Science, Jagiellonian University, Kraków, Poland

  • Venue:
  • HAIS'11 Proceedings of the 6th international conference on Hybrid artificial intelligent systems - Volume Part II
  • Year:
  • 2011

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Abstract

Virtual concept drift is a phenomenon frequently arising in applications of machine learning theory. Most commonly, a discardretrain strategy is the only option for dealing with newly generated data coming from previously unknown areas of the input space. This paper proposes a method of constructing classifier ensembles based on a measure of observations' density and homogeneity of their corresponding labels. The strategy allows to incrementally add new data points into the model without the necessity of a full retraining procedure.