On learning monotone DNF under product distributions

  • Authors:
  • Rocco A. Servedio

  • Affiliations:
  • Harvard University and Department of Computer Science, Columbia University, New York, NY

  • Venue:
  • Information and Computation
  • Year:
  • 2004

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Abstract

We show that the class of monotone 2O(√logn)-term DNF formulae can be PAC learned in polynomial time under the uniform distribution from random examples only. This is an exponential improvement over the best previous polynomial-time algorithms in this model, which could learn monotone o(log2 n)-term DNF. We also show that various classes of small constant-depth circuits which compute monotone functions are PAC learnable in polynomial time under the uniform distribution. All of our results extend to learning under any constant-bounded product distribution.