Boosting Kernel Models for Regression

  • Authors:
  • Ping Sun;Xin Yao

  • Affiliations:
  • University of Birmingham, UK;University of Birmingham, UK

  • Venue:
  • ICDM '06 Proceedings of the Sixth International Conference on Data Mining
  • Year:
  • 2006

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Abstract

This paper proposes a general boosting framework for combining multiple kernel models in the context of both classification and regression problems. Our main approach is built on the idea of gradient boosting together with a new regularization scheme and aims at reducing the cubic com- plexity of training kernel models. We focus mainly on using the proposed boosting framework to combine kernel ridge regression (KRR) models for regression tasks. Numerical experiments on four large-scale data sets have shown that boosting multiple small KRR models is superior to training a single large KRR model on both improving generalization performance and reducing computational requirements.