A Control Method of Rumor Propagation in Complex Network

A control method and complex network technology, applied in the field of rumor spread control, can solve the problem of not being able to describe the behavior of rumor spread well

Active Publication Date: 2017-09-12
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

Therefore, the SIR classic model is too idealized and cannot describe the rumor spreading behavior in complex networks well.

Method used

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  • A Control Method of Rumor Propagation in Complex Network
  • A Control Method of Rumor Propagation in Complex Network
  • A Control Method of Rumor Propagation in Complex Network

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Experimental program
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Embodiment

[0040] figure 1 It is a flowchart of a rumor propagation control method in a complex network of the present invention.

[0041] In this embodiment, as figure 1 As shown, a rumor propagation control method in a complex network of the present invention mainly includes the following steps:

[0042] S1. Establish a rumor spreading model;

[0043] S2, obtain the optimal control variable;

[0044] S3. Suppress the spread of rumors.

[0045] The following is a detailed description of the present invention for the above three steps, as follows:

[0046] S1. Establish a rumor spreading model.

[0047] In real life, the number of users joining the network per unit time is not fixed. Studies have shown that the growth of the number of users is similar to the population growth in biological populations and conforms to the logistic growth law. Therefore, the logistic growth law is introduced into the SIR rumor spread model Establish a rumor spreading model:

[0048]

[0049] Among them, S represents...

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Abstract

The invention discloses a rumor propagation control method in a complex network. A new rumor propagation model is established on the basis of the SIR model. Considering that the infection rate decreases with the increase of the number of nodes spreading rumors, a piecewise function is introduced to describe Infection rate, which can more accurately describe the rumor spreading behavior in complex networks. Secondly, on the basis of the new model, an optimal control variable is introduced, and the optimal control variable can be obtained by mathematical methods, and the optimal control variable is added to the model, so that as many healthy nodes as possible can be transformed into immune nodes , so that the number of nodes spreading rumors in the network is the least, and the purpose of controlling the spread of rumors is achieved.

Description

Technical field [0001] The invention belongs to the field of complex network propagation dynamics, and more specifically, relates to a rumor propagation control method in a complex network. Background technique [0002] Complex network refers to a large-scale network with complex topology and dynamic behavior. It is a graph composed of a large number of nodes connected to each other through edges. E.g, [0003] The Internet, biological networks, wireless communication networks, highway networks, power networks, epidemics and rumor spreading networks are all complex networks. [0004] The basic research object of propagation dynamics is the relationship between the properties of dynamic models on different networks and the static statistical properties of the corresponding networks, including known and unknown static geometric quantities. Research on the spreading process of infectious diseases and rumors cannot, like some other disciplines, obtain data through experiments in the po...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F19/00
CPCY02A90/10
Inventor 徐杰余雅红高成毅孙健
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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