Unveiling community structures in static networks through graph variational Bayes with evolution information

With the rapid development of graph variational Bayes theory, some representative community detection methods have been proposed. Although these methods are well designed, they are limited by the inherent constraints of static networks. Therefore, how to re-examine the information in static networks...

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Vydáno v:Neurocomputing (Amsterdam) Ročník 576; s. 127349
Hlavní autoři: Cheng, Junwei, He, Chaobo, Han, Kunlin, Chen, Gangbin, Liang, Wanying, Tang, Yong
Médium: Journal Article
Jazyk:angličtina
Vydáno: Elsevier B.V 01.04.2024
Témata:
Community detection
Evolution information
K-core decomposition
Mixture of Gaussian distributions
Variational graph autoencoder
Community detection
K-core decomposition
Variational graph autoencoder
Evolution information
Mixture of Gaussian distributions
ISSN:0925-2312, 1872-8286
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Shrnutí:With the rapid development of graph variational Bayes theory, some representative community detection methods have been proposed. Although these methods are well designed, they are limited by the inherent constraints of static networks. Therefore, how to re-examine the information in static networks from a new perspective becomes a challenge. To this end, in this paper, we propose EG-VGAE and its variant EGC-VGAE, going beyond the constraints of static networks from a new perspective. Specifically, we first demonstrate that the evolution relations on static networks can be simulated reasonably. And then, our EG-VGAE method combines evolution information with static network information to realize a fine-grained propagation of local low-frequency signals to global low-frequency signals, thereby improving the accuracy of community assignment for each node. Building on this progress, our method EGC-VGAE imposes the smoothness constraint on adjacent slices, significantly enhancing the sensitivity of the method to evolution information and mitigating the impact of network noise. The comprehensive experimental results on real static networks well validate that our methods outperform state-of-the-art methods in most cases. The code is available at https://github.com/GDM-SCNU/EG-VGAE.
ISSN:0925-2312
1872-8286
DOI:10.1016/j.neucom.2024.127349