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      Topology-preserving mappings for data visualisation

      Pena, Marian; Barbakh, Wesam; Fyfe, Colin (Springer, Berlin, Heidelberg, 2008)
      We present a family of topology preserving mappings similar to the Self-Organizing Map (SOM) and the Generative Topographic Map (GTM). These techniques can be considered as a non-linear projection from input or data space ...