Two-order Approximate Spectral Convolutional Model for Semi-Supervised Classification

被引:0
|
作者
Gong P.-L. [1 ,2 ]
Ai L.-H. [1 ,2 ]
机构
[1] School of Computer and Information Technology, Beijing Jiaotong University, Beijing
[2] Beijing Key Laboratory of Traffic Data Analysis and Mining, Beijing
来源
基金
中国国家自然科学基金;
关键词
Graph theory; Node classification; Relational data; Semi-supervised learning; Spectral convolution;
D O I
10.16383/j.aas.c200040
中图分类号
学科分类号
摘要
In recent years, the spectral convolution method based on local first-order approximation has achieved significant advantages in semi-supervised node classification tasks. However, when updating the node feature representation at each stage, only the first-order neighbor node information is used, while the indirect neighbor node information is ignored. To this end, this paper combines Chebyshev' s truncated expansion and symmetric normalized Laplacian matrix, and by deducing and simplifying the two-order approximate spectral convolution module, an improved graph convolution model is proposed which fuses rich local structure information. A large number of experimental results show that the method proposed in this paper is superior to the existing popular methods on different datasets, which verifies the effectiveness of the model. Copyright © 2021 Acta Automatica Sinica. All rights reserved.
引用
收藏
页码:1067 / 1076
页数:9
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