. "self-organizing maps" . . . . . "Self-organizing map" . "machine learning" . "SOM" . "Self-organizing map" . "Self Organizing Map (Kohonen)" . "self-organising maps" . . "self-organising map" . . . . "Kohonen neural network" . . "Kohonen network" . "SOM or Kohonen" . . "self-organizing map (SOM)" . "Self-Organising Feature Map" . . "self-organizing map" . . . . . "Kohonen self organising map" . "Self-organizing_map" . . "self-organizing neural map" . "Self-organizing map (SOM)" . "Hebbian model" .