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      Towards a standard methodology to evaluate internal cluster validity indices 

      Gurrutxaga, Ibai; Muguerza Rivero, Javier Francisco; Arbelaiz Gallego, Olatz; Pérez, Jesús M.; Martín, José I. (Elsevier, 2011-02-01)
      The evaluation and comparison of internal cluster validity indices is a critical problem in the clustering area. The methodology used in most of the evaluations assumes that the clustering algorithms work correctly. We ...