Training Data Cleaning for Text Classification

  • Andrea Esuli
  • Fabrizio Sebastiani
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5766)

Abstract

In text classification (TC) and other tasks involving supervised learning, labelled data may be scarce or expensive to obtain; strategies are thus needed for maximizing the effectiveness of the resulting classifiers while minimizing the required amount of training effort. Training data cleaning (TDC) consists in devising ranking functions that sort the original training examples in terms of how likely it is that the human annotator has misclassified them, thereby providing a convenient means for the human annotator to revise the training set so as to improve its quality. Working in the context of boosting-based learning methods we present three different techniques for performing TDC and, on two widely used TC benchmarks, evaluate them by their capability of spotting misclassified texts purposefully inserted in the training set.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2009

Authors and Affiliations

  • Andrea Esuli
    • 1
  • Fabrizio Sebastiani
    • 1
  1. 1.Istituto di Scienza e Tecnologia dell’InformazioneConsiglio Nazionale delle RicerchePisaItaly

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