Combining Multiclass Maximum Entropy Text Classifiers with Neural Network Voting

  • Authors:
  • Philipp Koehn

  • Affiliations:
  • -

  • Venue:
  • PorTAL '02 Proceedings of the Third International Conference on Advances in Natural Language Processing
  • Year:
  • 2002

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Abstract

We improve a high-accuracy maximum entropy classifier by combining an ensemble of classifiers with neural network voting. In our experiments we demonstrate significantly superior performance both over a single classifier as well as over the use of the traditional weighted-sum voting approach. Specifically, we apply this to a maximum entropy classifier on a large scale multi-class text categorization task: the online job directory Flipdog with over half a million jobs in 65 categories.