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A method for K-Means seeds generation applied to text mining

Author

Listed:
  • Daniel Velez

    (Universidad Complutense)

  • Jorge Sueiras

    (Universidad Rey Juan Carlos)

  • Alejandro Ortega

    (Universidad Carlos III)

  • Jose F. Velez

    (Universidad Rey Juan Carlos)

Abstract

In this paper, a methodology is proposed in order to produce a set of seeds later used as a starting point to K-Means-type unsupervised classification algorithms for text mining. Our proposal involves using the eigenvectors obtained from principal component analysis to extract initial seeds, upon appropriate treatment for search of lightly overlapping clusters which are also clearly identified by keywords. This work is motivated by the interest of the authors in the problem of identification of topics and themes previously unknown in short texts. Therefore, in order to validate the goodness of this method, it was applied on a sample of labeled e-mails (NG20) representing a gold standard within the field of text mining. Specifically, some corpora referenced in the literature have been used, configured in accordance to a mix of topics contained in the sample. The proposed method improves on the results of other state-of-the-art methods to which it is compared.

Suggested Citation

  • Daniel Velez & Jorge Sueiras & Alejandro Ortega & Jose F. Velez, 2016. "A method for K-Means seeds generation applied to text mining," Statistical Methods & Applications, Springer;Società Italiana di Statistica, vol. 25(3), pages 477-499, August.
    • Handle: RePEc:spr:stmapp:v:25:y:2016:i:3:d:10.1007_s10260-015-0345-4
    DOI: 10.1007/s10260-015-0345-4
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    References listed on IDEAS

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    1. Valentin Rousson & Theo Gasser, 2004. "Simple component analysis," Journal of the Royal Statistical Society Series C, Royal Statistical Society, vol. 53(4), pages 539-555, November.
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