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Regional relation situation deduction method and device based on Bayesian network

A Bayesian network and Bayesian technology, applied in the field of applied information, can solve problems such as less research on cross-field risks, achieve the effect of improving dynamic forecasting and decision-making capabilities, and solving uncertain and cross-field problems

Pending Publication Date: 2022-07-05
UNIV OF SCI & TECH BEIJING +3
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Problems solved by technology

[0005] The present invention aims at the problems in the prior art that the research on the single disaster factor of regional security risk or the risk in a certain field is relatively sufficient, and the research on the cross-field risk is less, and the present invention is proposed

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  • Regional relation situation deduction method and device based on Bayesian network
  • Regional relation situation deduction method and device based on Bayesian network
  • Regional relation situation deduction method and device based on Bayesian network

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Embodiment Construction

[0062] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, detailed description will be given below with reference to the accompanying drawings and specific embodiments.

[0063] like figure 1 As shown, the embodiment of the present invention provides a Bayesian network-based regional relationship situation deduction method, which can be implemented by an electronic device. like figure 1 The shown flow chart of the Bayesian network-based regional relationship situation deduction method, the processing flow of the method may include the following steps:

[0064] S1. Obtain the scenario to be deduced.

[0065] S2. According to the scenario to be deduced and the regional security classification scenario element set, a plurality of basic scenario elements are obtained as node variables.

[0066] Optionally, the set of regional security classification context elements in S2 is shown in the following formula (...

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Abstract

The invention discloses a regional relationship situation deduction method and device based on a Bayesian network, and relates to the technical field of application information. Comprising the steps of obtaining a to-be-deduced scene; obtaining a plurality of basic scene elements as node variables according to the scene to be deduced and the regional security grading scene element set; according to the node variables and an interpretation structure model ISM, constructing a hierarchical structure model among the node variables to obtain a hierarchical relationship among the node variables; according to the node variables, the expert knowledge and the hierarchical relationship among the node variables, constructing a Bayesian scene network to obtain conditional probabilities of the node variables; and according to the conditional probability of the node variable, establishing a Bayesian scene network of regional relationship evolution in a simulation mode, and obtaining a cross-domain regional relationship situation deduction result. According to the method, the uncertainty and cross-domain problems of regional relationship situation deduction are effectively solved, different results generated under different scenes can be quantified, and dynamic deduction of situation awareness and cross-domain evolution of the regional relationship is realized.

Description

technical field [0001] The invention relates to the field of application information technology, in particular to a Bayesian network-based regional relationship situation deduction method and device. Background technique [0002] Regional security has the characteristics of cross-level, cross-system, cross-domain, and open complex giant system. It is difficult to study the situational assessment of regional relations. On the one hand, the differences in historical backgrounds, cultures and values ​​of different regions, as well as mutual suspicion between regions have brought huge uncertainty to the evolution of state relations; on the other hand, the impact of regional There are many factors in the relationship, and there are complex interactive relationships between different fields; finally, the occurrence of emergencies may also have a huge and unexpected impact on the region (such as the 9.11 event), and then affect regional relations. . The regional relationship invo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/20G06Q10/04G06Q10/06G06N7/00G06N5/02G06F111/08
CPCG06F30/20G06Q10/04G06Q10/06393G06N5/02G06F2111/08G06N7/01
Inventor 邓青马亚萍姚梦娇张辉黄丽达蒋慧灵周亮周正青冯瑞于峰
Owner UNIV OF SCI & TECH BEIJING
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