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. 2021 Apr 23;22(9):4435. doi: 10.3390/ijms22094435

Figure 4.

Figure 4

Deep learning models. Schematic illustration of the neural networks described in Section 2.2. (A) Vanilla neural network. (B) Multilayer perceptron with three hidden layers (MLP). (C) Convolutional neural network (CNN). (D) Recurrent neural network (RNN). (E) Graph neural network (GNN). CNNs and GNNs particularly have become very popular in recent virtual screening studies (see tables in Section 3).