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- W2964876045 abstract "In a graph convolutional network, we assume that the graph $G$ is generated wrt some observation noise. During learning, we make small random perturbations $Delta{}G$ of the graph and try to improve generalization. Based on quantum information geometry, $Delta{}G$ can be characterized by the eigendecomposition of the graph Laplacian matrix. We try to minimize the loss wrt the perturbed $G+Delta{G}$ while making $Delta{G}$ to be effective in terms of the Fisher information of the neural network. Our proposed model can consistently improve graph convolutional networks on semi-supervised node classification tasks with reasonable computational overhead. We present three different geometries on the manifold of graphs: the intrinsic geometry measures the information theoretic dynamics of a graph; the extrinsic geometry characterizes how such dynamics can affect externally a graph neural network; the embedding geometry is for measuring node embeddings. These new analytical tools are useful in developing a good understanding of graph neural networks and fostering new techniques." @default.
- W2964876045 created "2019-08-13" @default.
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- W2964876045 date "2019-01-01" @default.
- W2964876045 modified "2023-10-08" @default.
- W2964876045 title "Fisher-Bures Adversary Graph Convolutional Networks." @default.
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