APDE-RBF neural network based network security situation prediction method

A neural network and network security technology, applied in the field of network security, can solve problems such as difficult to predict time series, difficult to predict models, and difficult structure selection

Active Publication Date: 2017-02-15
CHONGQING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0005] The more commonly used models of statistical methods are: autoregressive model, moving average model and autoregressive moving average model. However, these models have the following limitations: the time series data is required to be stable, and if it is multiple regression, the variables are also required to be independent ; The gray prediction method is suitable for monotonically changing time series, and it is difficult to predict the time series with large fluctuations; in 1987, Lapdes et al. first applied the neural network to the learning and prediction of the time series simulation data generated by th

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  • APDE-RBF neural network based network security situation prediction method

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[0059] In order to make the object, technical solution and advantages of the present invention clearer, the specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0060] figure 1 It is a flow chart of a preferred embodiment of the network security situation prediction method based on the APDE-RBF neural network provided by the present invention, and the method specifically includes the following steps:

[0061] Step 1: Use the AP clustering algorithm to divide and cluster the sample data to obtain the center of the RBF and the number of hidden layer nodes of the network;

[0062] Step 2: Use AP clustering to obtain the degree of population difference, adaptively change the scaling factor and crossover probability of the DE algorithm, and optimize the width and connection weight of the radial basis function RBF;

[0063] Step 3: In order to avoid falling into the local optimum and jump...

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Abstract

The invention belongs to the technical field of network security and particularly relates to an APDE-RBF (Affinity Propagation Differential Evolution-Radial Basic Function) neural network based network security situation prediction method. The APDE-RBF neural network based network security situation prediction method comprises the steps of dividing and clustering sample data by utilizing an AP clustering algorithm to obtain the number of nodes of hidden layers of the center and network of the RBF; obtaining population diversity by using AP clustering, changing a zoom factor and a crossover probability of a DE algorithm adaptively and optimizing the width and connection weight of the RBF; meanwhile, performing chaotic search on elite individuals and population diversity center of each generation of population in order to avoid falling into local optimization and jumping out of a local extreme point; and determining a final RBF network model, inputting a test dataset and outputting a situation prediction value. The APDE-RBF neural network based network security situation prediction method aims at improving the prediction precision for the network security situation while enhancing the generalization ability.

Description

technical field [0001] The invention belongs to the technical field of network security, and in particular relates to a network security situation prediction method based on a radial basis function (Affinity Propagation Differential evolution-Radial Basis Function, APDE-RBF) neural network based on an attractor propagation differential evolution algorithm. Background technique [0002] According to the "35th China Internet Development Status Report" issued by the China Internet Network Information Center in January 2015, by the end of December 2014, 46.3% of the total Internet users in my country had encountered network security problems, indicating that personal Internet use in my country is limited. The security situation is not optimistic. With the increasingly prominent and serious network security problems, some traditional security defense technologies have been unable to do what they want. In order to solve the above problems, the research on network security situation...

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Application Information

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IPC IPC(8): H04L29/06H04L12/24G06N3/04
CPCG06N3/0418H04L41/147H04L63/20
Inventor 李方伟李骐李俊瑶
Owner CHONGQING UNIV OF POSTS & TELECOMM
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