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Method and system for association and serialization of criminal cases based on clustering technology

A case and technology technology, applied in the field of criminal case correlation method and system, can solve the problems of data not having unique characteristics, low efficiency, low accuracy, etc.

Inactive Publication Date: 2020-10-20
广州可度析信息科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The second type of data does not have unique characteristics and can only describe the possibility (size)
The efficiency and accuracy of this type of manual operation is not high

Method used

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  • Method and system for association and serialization of criminal cases based on clustering technology
  • Method and system for association and serialization of criminal cases based on clustering technology
  • Method and system for association and serialization of criminal cases based on clustering technology

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0092] like figure 1 As shown, the present invention provides a kind of clustering technology-based criminal case correlation stringing method, comprising the following steps:

[0093] S1. Obtain high-dimensional and heterogeneous data type case data variables related to case correlation analysis;

[0094] S2. Establish a similarity model describing the degree of case correlation according to the case data variables, and calculate a similarity matrix according to the similarity model;

[0095] S3. Using graph decomposition technology, decompose a graph converted from the similarity matrix into several connected subgraphs;

[0096] S4. Use a clustering algorithm to perform graph cutting calculations on connected subgraphs, and accurately group all cases;

[0097] S5. Extract the key feature parameters of each case group, and push the key feature parameters to the user according to the priority.

[0098] like figure 2 As shown, the analysis process of the criminal case corr...

Embodiment 2

[0165] Such as Figure 4 As shown, the present invention also provides a clustering technology-based criminal case correlation system, including:

[0166] The data variable acquisition module is used to acquire high-dimensional and heterogeneous data type case data variables related to case correlation analysis;

[0167] The similarity matrix calculation module is used to establish a similarity model describing the degree of case correlation according to the case data variables, and calculate the similarity matrix according to the similarity model;

[0168] The graph decomposition module is used to decompose a graph converted from the similarity matrix into several connected subgraphs by using graph decomposition technology;

[0169] The clustering analysis module is used to perform graph cutting calculations using clustering algorithms on connected subgraphs, and accurately group all cases;

[0170] The feature extraction push module is used to extract the key feature param...

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PUM

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Abstract

The present invention discloses a clustering technology-based criminal case association string method, comprising the following steps: S1, obtaining high-dimensional and heterogeneous data type case data variables related to the case association string analysis; S2, according to the case Data variables establish a similarity model describing the degree of case correlation, and calculate a similarity matrix based on the similarity model; S3. Use graph decomposition technology to decompose a graph converted from a similarity matrix into several connected subgraphs; S4. Connect connected subgraphs Use a clustering algorithm for graph cutting calculations to accurately group all cases; S5, extract key feature parameters of each case group, and push the key feature parameters to users according to their priority. The invention can not only process the data with definite and unique characteristics of source data, but also process the data with only possibility characteristics, which greatly improves the efficiency of correlation stringing and merging of criminal cases, and has high accuracy.

Description

technical field [0001] The present invention relates to the technical field of investigation and case solving, in particular to a clustering technology-based method and system for correlating and merging criminal cases. Background technique [0002] The serial and parallel correlation analysis of gang-type and serial crime cases is an important part of the criminal case law enforcement department's investigation and case-solving work. By analyzing and extracting common points between multiple cases and connecting key information, law enforcement agencies can broaden their investigation horizons; combining series of cases for investigation can significantly reduce law enforcement costs, increase the depth and breadth of crime fighting, and enhance overall work efficiency. [0003] With the development of informatization in the whole society, criminal law enforcement agencies have established a computer management system for criminal cases and accumulated a large amount of cri...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/62
CPCG06F18/231G06F18/22
Inventor 谢晓川
Owner 广州可度析信息科技有限公司
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