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author:

Huang, Y. (Huang, Y..) [1] | Shi, Y. (Shi, Y..) [2] | Pi, Y. (Pi, Y..) [3] | Li, J. (Li, J..) [4] | Wang, S. (Wang, S..) [5] (Scholars:王石平) | Guo, W. (Guo, W..) [6] (Scholars:郭文忠)

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Scopus

Abstract:

Graph convolutional networks have significant advantages in dealing with graph-structured data, but most existing methods usually potentially assume that nodes belonging to the same class in a graph tend to form edges, yet inter-class edges exist in many real-world graph-structured data. Due to the propagation mechanism of graph convolutional networks, it is challenging to prevent the interference aggregation from nodes of different classes, which may result in the incorporation of noise and irrelevant data in the outcome, ultimately decreasing the performance of the model. In this paper, we propose a new framework to address this issue on heterophilous graph-structured data. The proposed method comprises two main components. On one hand, the homophily of the graph-structured data is modeled so that the method can adaptively adjust the information propagation process according to the homophily of the edges, and mitigate the influence of inter-class information. On the other hand, the implicit node interaction is captured through the learned feature space, which is then fused with the original interaction to aggregate sufficient intra-class knowledge. Extensive experiments on real-world datasets demonstrate the superiority of the proposed method against current state-of-the-art approaches. © 2024 Elsevier B.V.

Keyword:

Contrastive learning Graph convolutional network Heterophilous graph Semi-supervised classification

Community:

  • [ 1 ] [Huang Y.]College of Computer and Data Science, Fuzhou University, Fuzhou, 350116, China
  • [ 2 ] [Huang Y.]Fujian Provincial Key Laboratory of Network Computing and Intelligent Information Processing, Fuzhou University, Fuzhou, 350116, China
  • [ 3 ] [Shi Y.]College of Photonic and Electronic Engineering, Fujian Normal University, Fuzhou, 350007, China
  • [ 4 ] [Pi Y.]College of Computer and Data Science, Fuzhou University, Fuzhou, 350116, China
  • [ 5 ] [Pi Y.]Fujian Provincial Key Laboratory of Network Computing and Intelligent Information Processing, Fuzhou University, Fuzhou, 350116, China
  • [ 6 ] [Li J.]China Unicom Research Institute, Beijing, 100176, China
  • [ 7 ] [Wang S.]College of Computer and Data Science, Fuzhou University, Fuzhou, 350116, China
  • [ 8 ] [Wang S.]Fujian Provincial Key Laboratory of Network Computing and Intelligent Information Processing, Fuzhou University, Fuzhou, 350116, China
  • [ 9 ] [Guo W.]College of Computer and Data Science, Fuzhou University, Fuzhou, 350116, China
  • [ 10 ] [Guo W.]Fujian Provincial Key Laboratory of Network Computing and Intelligent Information Processing, Fuzhou University, Fuzhou, 350116, China

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Source :

Knowledge-Based Systems

ISSN: 0950-7051

Year: 2024

Volume: 302

7 . 2 0 0

JCR@2023

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ESI Highly Cited Papers on the List: 0 Unfold All

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30 Days PV: 0

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