考虑个体警觉行为的双层网络流行病传播模型

doi:10.19678/j.issn.1000-3428.0057021

计算机工程 ›› 2021, Vol. 47 ›› Issue (3): 131-138. doi: 10.19678/j.issn.1000-3428.0057021

考虑个体警觉行为的双层网络流行病传播模型

王帅¹, 宋玉蓉^1,2, 宋波³

1. 南京邮电大学自动化学院, 南京 210003;
2. 江苏省物联网智能机器人工程实验室, 南京 210003;
3. 南京邮电大学现代邮政学院, 南京 210003

收稿日期:2019-12-25 修回日期:2020-04-02 发布日期:2020-04-09
作者简介:王帅(1993-),男,硕士研究生,主研方向为复杂网络病毒传播;宋玉蓉,教授、博士、博士生导师;宋波,讲师、博士。
基金资助:
国家自然科学基金（61672298）。

Epidemic Spreading Model Considering Individual Alert Behavior Using Bilayer Network

WANG Shuai¹, SONG Yurong^1,2, SONG Bo³

1. College of Automation, Nanjing University of Posts and Telecommunications, Nanjing 210003, China;
2. Jiangsu Province Engineering Lab for IoT Intelligent Robots, Nanjing 210003, China;
3. School of Modern Posts, Nanjing University of Posts and Telecommunications, Nanjing 210003, China

Received:2019-12-25 Revised:2020-04-02 Published:2020-04-09

摘要/Abstract

摘要： 流行病传播过程中常伴随个体意识信息的扩散，然而目前关于流行病与意识信息关系的研究大部分未考虑意识信息在传播过程中对个体接触行为的影响。提出一种基于个体警觉状态的双层网络流行病传播模型。建立下层物理接触网络描述流行病的传播，构建上层信息扩散网络描述流行病传播中信息扩散，根据个体的行为偏好和警觉性设计警觉个体避免与非警觉个体接触、警觉个体避免与警觉个体接触两种接触行为策略，并在BA-BA、BA-WS和WS-WS 3种双层网络中模拟两种行为策略对流行病传播的影响。仿真结果表明，该模型中两种个体警觉行为策略通过调节警觉性参数均能有效降低流行病感染规模并提高流行病爆发阈值，从而抑制流行病在人群中传播。

关键词: 双层网络, 流行病传播, 信息扩散, 警觉行为, 传播过程

Abstract: The process of epidemic spreading process is often accompanied by the diffusion of individual awareness information.Most of current researches as on the relationship between epidemic and awareness information do not consider the impact of awareness information on individual contact behavior in spreading process.This paper proposes an epidemic spreading model using bilayer network based on individual alert state.The lower physical contact network is established to describe the spread of epidemic,and the upper information diffusion network is constructed to describe the information diffusion in the spread of epidemic.According to the individual's behavior preference and alertness,two kinds of contact behavior strategies are designed,which are avoidance of contact between alert individuals and non-alert individuals,and avoidance of contact between alert individuals.The impact of two behavior strategies on epidemic spreading is simulated in three bilayer networks,BA-BA、BA-WS and WS-WS.Simulation results show that both the individual alert behavior strategies can effectively reduce the epidemic infection scale and increase the epidemic outbreak threshold by adjusting the alertness parameters,and thus inhibit the spread of the epidemic in the population.

Key words: bilayer network, epidemic spreading, information diffusion, alert behavior, spreading process

中图分类号:

TP393.08

王帅, 宋玉蓉, 宋波. 考虑个体警觉行为的双层网络流行病传播模型[J]. 计算机工程, 2021, 47(3): 131-138.

WANG Shuai, SONG Yurong, SONG Bo. Epidemic Spreading Model Considering Individual Alert Behavior Using Bilayer Network[J]. Computer Engineering, 2021, 47(3): 131-138.

http://www.ecice06.com/CN/Y2021/V47/I3/131

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