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An Improved Impostors Method for Authorship Verification

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Book cover Experimental IR Meets Multilinguality, Multimodality, and Interaction (CLEF 2017)

Part of the book series: Lecture Notes in Computer Science ((LNISA,volume 10456))

Abstract

Authorship verification has gained a lot of attention during the last years mainly due to the focus of PAN@CLEF shared tasks. A verification method called Impostors, based on a set of external (impostor) documents and a random subspace ensemble, is one of the most successful approaches. Variations of this method gained top-performing positions in recent PAN evaluation campaigns. In this paper, we propose a modification of the Impostors method that focuses on both appropriate selection of impostor documents and enhanced comparison of impostor documents with the documents under investigation. Our approach achieves competitive performance on PAN corpora, outperforming previous versions of the Impostors method.

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Author information

Authors and Affiliations

  1. University of the Aegean, 83200, Karlovassi, Greece

    Nektaria Potha & Efstathios Stamatatos

Authors
  1. Nektaria Potha
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  2. Efstathios Stamatatos
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Corresponding author

Correspondence to Nektaria Potha .

Editor information

Editors and Affiliations

  1. Dublin City University, Dublin, Ireland

    Gareth J.F. Jones

  2. Trinity College Dublin, Dublin, Ireland

    Séamus Lawless

  3. National University of Distance Education, Madrid, Spain

    Julio Gonzalo

  4. Dublin City University, Dublin, Ireland

    Liadh Kelly

  5. Université Grenoble Alpes, Grenoble, France

    Lorraine Goeuriot

  6. University of Hildesheim, Hildesheim, Germany

    Thomas Mandl

  7. University of Padua, Padua, Italy

    Linda Cappellato

  8. University of Padua, Padua, Italy

    Nicola Ferro

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Potha, N., Stamatatos, E. (2017). An Improved Impostors Method for Authorship Verification. In: Jones, G., et al. Experimental IR Meets Multilinguality, Multimodality, and Interaction. CLEF 2017. Lecture Notes in Computer Science(), vol 10456. Springer, Cham. https://doi.org/10.1007/978-3-319-65813-1_14

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  • DOI: https://doi.org/10.1007/978-3-319-65813-1_14

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-65812-4

  • Online ISBN: 978-3-319-65813-1

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