Text Summarization and Singular Value Decomposition

  • Josef Steinberger
  • Karel Ježek
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3261)


In this paper we present the usage of singular value decomposition (SVD) in text summarization. Firstly, we mention the taxonomy of generic text summarization methods. Then we describe principles of the SVD and its possibilities to identify semantically important parts of a text. We propose a modification of the SVD-based summarization, which improves the quality of generated extracts. In the second part we propose two new evaluation methods based on SVD, which measure content similarity between an original document and its summary. In evaluation part, our summarization approach is compared with 5 other available summarizers. For evaluation of a summary quality we used, apart from a classical content-based evaluator, both newly developed SVD-based evaluators. Finally, we study the influence of the summary length on its quality from the angle of the three evaluation methods mentioned.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2004

Authors and Affiliations

  • Josef Steinberger
    • 1
  • Karel Ježek
    • 1
  1. 1.Department of Computer Science and EngineeringUniversity of West Bohemia in PilsenPlzeňCzech Republic

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