Automatic Text Summarization Using Unsupervised and Semi-supervised Learning

  • Authors:
  • Massih-Reza Amini;Patrick Gallinari

  • Affiliations:
  • -;-

  • Venue:
  • PKDD '01 Proceedings of the 5th European Conference on Principles of Data Mining and Knowledge Discovery
  • Year:
  • 2001

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Abstract

This paper investigates a new approach for unsupervised and semi-supervised learning. We show that this method is an instance of the Classification EM algorithm in the case of gaussian densities. Its originality is that it relies on a discriminant approach whereas classical methods for unsupervised and semi-supervised learning rely on density estimation. This idea is used to improve a generic document summarization system, it is evaluated on the Reuters news-wire corpus and compared to other strategies.