Computer Science ›› 2020, Vol. 47 ›› Issue (9): 219-225.doi: 10.11896/jsjkx.190900044

• Artificial Intelligence • Previous Articles     Next Articles

Graph Classification Model Based on Capsule Deep Graph Convolutional Neural Network

LIU Hai-chao1, WANG Li2   

  1. 1 College of Software,Taiyuan University of Technology,Taiyuan 030600,China
    2 College of Data Science,Taiyuan University of Technology,Taiyuan 030600,China
  • Received:2019-09-05 Published:2020-09-10
  • About author:LIU Hai-chao,born in 1995,postgra-duate.His main research interests include machine learning,and graph neural network.
    WANG Li,born in 1971,professor,Ph.Dsupervisor,is a member of China Computer Federation.Her main research interests include big data calculation,data mining,and social computing.
  • Supported by:
    National Natural Science Foundation of China (61872260) and Key Research and Development Program International Cooperation Project of Shanxi Province of China (201703D421013).

Abstract: Aiming at the problems of structure information extraction when the extracted graph representation is used for graph classification,a graph classification model based on the fusion of graph convolutional neural network and capsule network is proposed.Firstly,the node information in the graph is processed by the convolutional neural network,and the node representation is obtained after iteration.The sub-tree structure information of the node is contained in the representation.Then,by using the idea of Weisfeiler-Lehman algorithm,the multi-dimensional representations of nodes are sorted to obtain multi-view representations of the graph.Finally,the multi-view graph representations are converted into capsules and input into the capsule network to obtain a higher level of classification capsule by dynamic routing algorithm,then proceed to classification.The experimental results show that the classification accuracy of the proposed model is improved by 1%~3% on the public dataset,and it has stronger structu-ral feature extraction ability.Compared with DGCNN,its performance is more stable in the case of less samples.

Key words: Graph classification, Graph representation, Graph convolutional neural network, Capsule network, Weisfeiler-Lehman graph kernel algorithm

CLC Number: 

  • TP301.6
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