ABC-boost: adaptive base class boost for multi-class classification

  • Authors:
  • Ping Li

  • Affiliations:
  • Cornell University, Ithaca, NY

  • Venue:
  • ICML '09 Proceedings of the 26th Annual International Conference on Machine Learning
  • Year:
  • 2009

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Abstract

We propose abc-boost (adaptive base class boost) for multi-class classification and present abc-mart, an implementation of abc-boost, based on the multinomial logit model. The key idea is that, at each boosting iteration, we adaptively and greedily choose a base class. Our experiments on public datasets demonstrate the improvement of abc-mart over the original mart algorithm.