Journal of Shandong University(Engineering Science) ›› 2024, Vol. 54 ›› Issue (1): 1-10.doi: 10.6040/j.issn.1672-3961.0.2022.390

• Machine Learning & Data Mining •     Next Articles

Importance identification method based on multi-order neighborhood hierarchical association contribution of nodes

Gang HU1,2(),Lemeng WANG1,Zhiyu LU1,Qin WANG1,Xiang XU3   

  1. 1. School of Management Science and Engineering, Anhui University of Technology, Maanshan 243032, Anhui, China
    2. Key Laboratory of Multidisciplinary Management and Control of Complex Systems of Anhui Higher Education Institutes, Maanshan 243032, Anhui, China
    3. Key Laboratory of Information Systems Engineering, National University of Defense Technology, Changsha 410073, Hunan, China
  • Received:2022-11-25 Online:2024-02-20 Published:2024-02-01

Abstract:

In order to identify the node importance more finely and extend the scope and category of effective information gathering of nodes, the spatial location attribute information of network nodes and their direct and indirect neighbor nodes were fused and clustered, a node importance identification method of multi-order neighbor hierarchical association contribution of complex networks was proposed. The definition of the contribution of node level location attributes was given based on the network node spatial location hierarchical differences and inter-layer association information. A complex network target node multi-order neighbor hierarchical association contributions matrix was constructed to characterize the hierarchical contribution of the associations between direct neighbor nodes, indirect neighbor nodes and target nodes to their influence. A node importance identification method that fused node topological location contribution across layers and levels of space with multi-order neighborhood hierarchical association contribution was proposed. The simulation experiments showed that the proposed method could effectively improve the precision and accuracy of node importance identification on six real networks. This study provided a scientific theoretical basis for in-depth exploration of the dynamic evolution mechanism behind the network, and then made prediction and regulation by exploring the multi-order hierarchical interaction behaviors among the network nodes.

Key words: complex network, identification of node importance, multi-order neighbor similarity, multi-order neighbor closeness, multi-order neighbor hierarchical association contribution

CLC Number: 

  • TP391

Fig.1

K-shell exploded schematic diagram"

Fig.2

Diagram of example network"

Table 1

Statistical characteristics of sample network"

n m k l c
16 58 7.250 1.454 0.527

Fig.3

Simulation experiments based on the edge deletion method (example network)"

Table 2

Structural characteristics of six real networks"

网络名 n m k l c
High-school 70 274 10.457 1 2.664 1 0.404 3
Jazz 198 2 742 27.697 0 2.206 0 0.520 2
C-elegans(neural) 297 2 148 28.929 3 2.469 8 0.180 7
Proteins 1 706 3 233 7.276 7 5.093 1 0.005 8
Adolescent health 2 539 10 455 10.215 8 4.516 4 0.141 9
Blogs 3 982 16 716 3.426 2 2.746 7 0.225 9

Table 3

Resolution of each algorithm in six real networks"

网络分辨率
文献[7] 文献[12] 文献[14] 文献[19] 文献[24] 文献[32] DTR方法
High-school 0.823 1 0.546 9 0.998 7 0.999 1 0.971 4 0.999 1 0.999 2
Jazz 0.965 9 0.794 4 0.996 5 0.985 7 0.919 1 0.985 7 0.999 3
C-elegans(neural) 0.921 6 0.609 4 0.866 6 0.964 6 0.997 4 0.964 6 0.997 7
Proteins 0.532 4 0.426 0 0.897 2 0.959 5 0.521 6 0.959 5 0.995 3
Adolescent health 0.867 6 0.524 5 0.779 5 0.637 1 0.964 5 0.637 1 0.999 9
Blogs 0.253 8 0.247 9 0.991 3 0.928 3 0.836 6 0.928 3 0.995 2

Fig.4

Change of the ratio of the number of network subgraphs after removing the connecting edges"

Fig.5

Change of the maximum subgraph scale of the network after removing the connecting edges"

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