Hypergraphs that can depict interactions beyond pairwise edges have emerged as an appropriate representation for modeling polyadic relations in complex systems. With the recent surge of interest in researching hypergraphs, the centrality problem has attracted much attention due to the challenge of how to utilize higher-order structure for the definition of centrality metrics. In this paper, we propose a new centrality method (HGC) on the basis of the gravity model as well as a semi-local HGC, which can achieve a balance between accuracy and computational complexity. Meanwhile, two comprehensive evaluation metrics, i.e., a complex contagion model in hypergraphs, which mimics the group influence during the spreading process and network -efficiency based on the higher-order distance between nodes, are first proposed to evaluate the effectiveness of our methods. The results show that our methods can filter out nodes that have fast spreading ability and are vital in terms of hypergraph connectivity.
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January 2023
Research Article|
January 03 2023
Vital node identification in hypergraphs via gravity model
Xiaowen Xie
;
Xiaowen Xie
(Conceptualization, Formal analysis, Investigation, Methodology, Writing – original draft)
1
Alibaba Research Center for Complexity Sciences, Hangzhou Normal University
, Hangzhou 311121, People’s Republic of China
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Xiuxiu Zhan
;
Xiuxiu Zhan
a)
(Conceptualization, Funding acquisition, Methodology, Supervision, Writing – review & editing)
1
Alibaba Research Center for Complexity Sciences, Hangzhou Normal University
, Hangzhou 311121, People’s Republic of China
a)Author to whom correspondence should be addressed: [email protected]
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Zike Zhang
;
Zike Zhang
(Conceptualization, Funding acquisition, Methodology, Writing – review & editing)
2
College of Media and International Culture, Zhejiang University
, Hangzhou 310058, People’s Republic of China
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Chuang Liu
Chuang Liu
b)
(Conceptualization, Funding acquisition, Methodology, Supervision, Writing – review & editing)
1
Alibaba Research Center for Complexity Sciences, Hangzhou Normal University
, Hangzhou 311121, People’s Republic of China
Search for other works by this author on:
a)Author to whom correspondence should be addressed: [email protected]
b)
Electronic mail: [email protected]
Chaos 33, 013104 (2023)
Article history
Received:
September 21 2022
Accepted:
December 05 2022
Citation
Xiaowen Xie, Xiuxiu Zhan, Zike Zhang, Chuang Liu; Vital node identification in hypergraphs via gravity model. Chaos 1 January 2023; 33 (1): 013104. https://doi.org/10.1063/5.0127434
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