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Hybrid Low-Order and Higher-Order Graph Convolutional Networks

机译:混合低阶和高阶图卷积网络

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摘要

With the higher-order neighborhood information of a graph network, the accuracy of graph representation learning classification can be significantly improved. However, the current higher-order graph convolutional networks have a large number of parameters and high computational complexity. Therefore, we propose a hybrid lower-order and higher-order graph convolutional network (HLHG) learning model, which uses a weight sharing mechanism to reduce the number of network parameters. To reduce the computational complexity, we propose a novel information fusion pooling layer to combine the high-order and low-order neighborhood matrix information. We theoretically compare the computational complexity and the number of parameters of the proposed model with those of the other state-of-the-art models. Experimentally, we verify the proposed model on large-scale text network datasets using supervised learning and on citation network datasets using semisupervised learning. The experimental results show that the proposed model achieves higher classification accuracy with a small set of trainable weight parameters.
机译:利用图网络的高阶邻域信息,可以显著提高图表示学习分类的准确率。然而,目前的高阶图卷积网络参数多,计算复杂度高。因此,我们提出了一种混合低阶和高阶图卷积网络(HLHG)学习模型,该模型使用权重共享机制来减少网络参数的数量。为了降低计算复杂度,我们提出了一种新的信息融合池化层来组合高阶和低阶邻域矩阵信息。我们从理论上比较了所提出模型的计算复杂度和参数数量与其他最先进模型的计算复杂性和参数数量。通过实验,我们在使用监督学习的大规模文本网络数据集和使用半监督学习的引文网络数据集上验证了所提出的模型。实验结果表明,所提模型在少量可训练权重参数下实现了较高的分类精度。

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