Projection Learning

  • Authors:
  • Leslie G. Valiant

  • Affiliations:
  • Division of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA. valiant@deas.harvard.edu

  • Venue:
  • Machine Learning
  • Year:
  • 1999

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Abstract

A method of combining learning algorithms is described that preserves attribute-efficiency. It yields learning algorithms that require a number ofexamples that is polynomial in the number of relevant variables andlogarithmic in the number of irrelevant ones. The algorithms aresimple to implement and realizable on networks with a number of nodeslinear in the total number of variables. They includegeneralizations of Littlestone‘s Winnow algorithm, and are,therefore, good candidates for experimentation on domains having verylarge numbers of attributes but where nonlinear hypotheses aresought.