What do you think of adding Graph Convolutional Networks in a new section on ML and deep learning? Here are some references: * https://tkipf.github.io/graph-convolutional-networks/ * https://github.com/tkipf/gcn (implementation of the above) * https://towardsdatascience.com/how-to-do-deep-learning-on-graphs-with-graph-convolutional-networks-7d2250723780