... discovery, 352 59 grid structure, 353 learning algorithm illustration, 354 learning dynamics, 353 learning process, 352 maps, 355 , 359 performance, 353 properties, 353 54 shapes, 358 spread amount, 353 visualization ... structures (GCS), 350 Growing self-organizing map (GSOM), 350 , 351 application to support ECG classification, 354 59 data set representation, 354 data visualization, 357 , 358 defined, 352 ECG cluster ... (XML) for representing ECG information. ecgML [ 65] , a markup language for ECG data acquisition and analy-sis, has been designed to illustrate the advantages offered by XML for supportingdata...