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Description method of virus propagation process considering dynamic network structure

A technology of network structure and transmission process, applied in the direction of epidemic warning system, computer-aided medical program, medical simulation, etc., can solve the problems of quantification and incomprehension of virus transmission

Pending Publication Date: 2019-01-11
LIAONING UNIVERSITY OF PETROLEUM AND CHEMICAL TECHNOLOGY
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Problems solved by technology

Most of the research on propagation dynamics starting from the complex network structure adopts simulation and analysis through deep mining of statistical mathematics. In many cases, it is impossible to quantify the process of virus propagation in the network, which is difficult to understand.

Method used

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  • Description method of virus propagation process considering dynamic network structure
  • Description method of virus propagation process considering dynamic network structure
  • Description method of virus propagation process considering dynamic network structure

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Embodiment Construction

[0019] Attached below Figure 1-3 The present invention is further described in detail.

[0020] The present invention is a model that can describe the virus transmission process, and its innovation is mainly reflected in two aspects:

[0021] First, when a virus invades the network, network nodes will inevitably take measures to avoid infection. This situation is common. For example, during the SARS period in 2003, people reduced travel in order to avoid infection. There have been obvious changes, which are prominently reflected in the connectivity of the network, which we usually use to describe the average degree of the network; another example is the recent spread of the Bitcoin virus. With the increasing number of infected nodes and the continuous media reports, making People pay more and more attention to reduce the access of node PCs to HUB nodes, resulting in a decrease in the number of connections in the entire network. Therefore, when we describe the virus propagat...

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Abstract

The invention relates to a description method of a virus propagation process considering the migration nodes of a dynamic network structure and belongs to the intersection field of complex network topology dynamics, biomathematics and public information security. The invention mainly aims to solve the problem that a current virus model fails to accurately describe the propagation process of the virus in a network. According to the method of the invention, reasonable settings and hypothesis descriptions for an S-to-I state transition function and a node migration function on the basis of a classical SIRS model, so that a virus propagation model comprehensively considering the migration nodes of the dynamic network structure is constructed.

Description

technical field [0001] The invention belongs to the intersecting field of complex network topology dynamics, biomathematics and public information security, and specifically relates to a description method of a virus propagation process considering a dynamic network structure. Background technique [0002] In recent years, some social emergencies, such as the SARS virus in 2003, the spread of H1N9 influenza A in 2013, and the bitcoin virus in 2017 have attracted widespread attention from all walks of life. Considering the actual situation, it is of great significance to establish an effective propagation model to describe the virus propagation for the analysis and control of the virus propagation process. [0003] The modeling of the virus transmission process originated from the research on the Black Death and cholera in Europe in the 17th century, and then established the infectious disease modeling theory based on the "warehouse" and is still in use today. Taking the SIS ...

Claims

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Application Information

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IPC IPC(8): G16H50/80G16H50/50
CPCG16H50/50G16H50/80
Inventor 曹宇程旭叶成荫魏海平贾银山孟宪明
Owner LIAONING UNIVERSITY OF PETROLEUM AND CHEMICAL TECHNOLOGY
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