Information interactive network-based criminal individual recognition method

A technology of information interaction and identification method, applied in the field of data mining, can solve the problem of identifying criminal individuals and so on

Inactive Publication Date: 2016-11-16
NAT UNIV OF DEFENSE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of the above technical problems, the present invention aims to solve the problem of how to identify criminal individuals from the personnel communication network, and the specific technical solutions are as follows:

Method used

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  • Information interactive network-based criminal individual recognition method
  • Information interactive network-based criminal individual recognition method
  • Information interactive network-based criminal individual recognition method

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Embodiment Construction

[0039] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0040] Process flow of the present invention such as figure 1 As shown, the ICM-C82 data set selected in the embodiment is the email data set of a company's content employees. Because of privacy protection, the entire content of the email is not disclosed, and the content of the interactive theme after manual refinement is disclosed. This data set is after a criminal case in which an internal employee of the company defrauded the company's shareholders' funds through network fraud means, in order to find the criminal, the relevant department retrieved the email communication data of the company's internal employees within a certain period of time, and After some preliminary analysis and processing, it was put on the Internet for relevant scholars to conduct research.

[0041] The data set contains more than 400 interactions between employees o...

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Abstract

The invention belongs to the field of data mining, and relates to an information interactive network-based criminal individual recognition method. The method comprises the following steps of: (1) obtaining a data set which comprises criminal activity contents, and pre-processing the data set; (2) extracting keyword descriptions of criminal topics; (3) determining the number of subjects of a subject model LDA on the basis of perplexity; (4) extracting interactive subjects between individuals in the pre-processed data set on the basis of LDA, wherein the interactive subjects are as follows: an association probability matrix of the interactive subjects and keywords, and an association probability matrix of interactive edges of the interactive subjects; (5) calculating weights of the interactive edges; (6) calculating local criminal suspects of the individuals on the basis of a structure of a weighted information interactive network; and (7) calculating global criminal suspects of the individuals on the basis of a fuzzy K-means cluster and distance density cluster combined method, and recognizing the criminal individuals. The method is independent of prior information, and can be used for analyzing the most possible suspected person according to communication contents so that the case handling efficiency is improved.

Description

technical field [0001] The invention belongs to the field of data mining, and in particular relates to a criminal individual identification method based on an information interaction network. Background technique [0002] With the rapid development of information technology and databases, the amount of data has shown an exponential trend of explosive growth, but due to the lack of support mechanisms for analysis, decision-making, and forecasting, it has led to "data explosion and poor knowledge". Facing this To meet the challenges, data mining technology emerged as the times require, and more and more demonstrates its strong vitality. After years of continuous research and practice, data mining technology has integrated artificial intelligence, information retrieval, statistics, database technology, data visualization, oriented The latest research results in various fields such as object method, machine learning, neural network, etc. have gradually formed a unique research b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/62G06Q50/26
CPCG06Q50/26G06F18/23213
Inventor 修保新范长俊刘忠梁星星黄小寒
Owner NAT UNIV OF DEFENSE TECH
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