A comparison of map neuron labeling approaches for unsupervised self-organizing feature maps. - Willem S. van Heerden; Andries P. Engelbrecht (IJCNN, 2008)

HybridSOM: A generic rule extraction framework for self-organizing feature maps. - Willem S. van Heerden; Andries P. Engelbrecht (CIDM, 2009)

Swarm Tetris: Applying particle swarm optimization to tetris. - Leo Langenhoven; Willem S. van Heerden; Andries P. Engelbrecht (IEEE Congress on Evolutionary Computation, 2010)

Evolutionary algorithms and Particle Swarm Optimization for artificial language evolution. - Kobus de Bruyn; Geoff Nitschke; Willem S. van Heerden (IEEE Congress on Evolutionary Computation, 2011)

Evolution of a fictional dialogue. - Carina M. Viljoen; Geoff S. Nitschke; Willem S. van Heerden (IEEE Congress on Evolutionary Computation, 2011)

Unsupervised Weight-Based Cluster Labeling for Self-Organizing Maps. - Willem S. van Heerden; Andries P. Engelbrecht (WSOM, 2012)

Lifetimes of migration. - Faith Agwang; Willem S. van Heerden; Geoff Nitschke (GECCO (Companion), 2014)

An investigation into the effect of unlabeled neurons on Self-Organizing Maps. - Willem S. van Heerden; Andries P. Engelbrecht (SSCI, 2016)

Automatic Distance-Based Interpolating Unit Detection and Pruning in Self-Organizing Maps. - Willem S. van Heerden (SSCI, 2023)

Neuron Labeling for Self-Organizing Maps Using a Novel Example-Centric Algorithm with Weight-Centric Finalization. - Willem S. van Heerden (IJCCI, 2024)