... -information-discernibility-lower-GA-crossover-mutation-evolution-probability( 3, 4) ( 4, 1)-SOM-map < -SOM-map-layer( 3, 1) ( 4, 1)-SOM-map < -SOM-document-map-feature-vector-learning( 4, 2) ( 4, 1)-SOM-map ... < -learning-GA-crossover-mutation( 5, 3) ( 4, 4)-GA-crossover-mutation < -GA-crossover-mutation-clustering( 5, 5) 6-2 6 ( 5, 1)-SOM-document-map-feature-vector < -SOM-document-map-feature-vector-learning( ... -information-discernibility-lower-GA-crossover-mutation-evol | ( 4, 3) -learning-information-discernibility-lower-GA-crossover-muta | ( 4, 1) -SOM-map | ( 3, 1) -SOM-map-layer | ( 5, 1) -SOM-document-map-feature-vector...