One-machine multi-card user discrimination method based on track similarity

A discrimination method and similarity technology, which is applied in the field of discrimination of multiple cards in one machine, can solve the problems that have no solution, affect the accuracy and reliability of data statistics, and achieve the effect of improving judgment accuracy and accuracy

Active Publication Date: 2020-04-03
北京融信数联科技有限公司
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

The problem of multiple cards in one machine has seriously affected the accuracy and reliability of data statistics, but there is currently no effective solution

Method used

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  • One-machine multi-card user discrimination method based on track similarity
  • One-machine multi-card user discrimination method based on track similarity
  • One-machine multi-card user discrimination method based on track similarity

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specific Embodiment approach

[0033] figure 1 It is a flowchart of the realization method of the present invention. The specific embodiment of the present invention is as follows:

[0034] (1) Based on the data of mobile operators, among the resident population of a designated city, a certain number of IMSIs whose residences are in the statistical area are randomly selected as sampling data.

[0035] The present invention compares each IMSI with the rest of the IMSI one by one. For a city with a large population, if all users are used as the analysis object, the calculation amount is too large. statistics. The statistical area can be a municipal district, a street, a district, or a designated area according to specific requirements. Random sampling is used to select a certain number of IMSIs in the statistical area as the analysis object, and the sampling is used instead of the whole, which can greatly improve the calculation speed. In a specific embodiment of the present invention, 3000 IMSIs are rand...

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Abstract

The invention provides a method for judging the number of one-machine multi-card users in regional population based on track similarity. The method comprises: randomly extracting a certain number of IMSIs from resident population of a residence place in a statistical area, and determining a moving track of each IMSI according to the number of base stations accessed by each IMSI in the sampling data in a statistical time period and the residence time of each IMSI in each base station; comparing the moving tracks of one IMSI with the moving tracks of other IMSIs one by one, and screening out candidate one-machine multi-card users; and checking the candidate one-machine multi-card users by adopting hypergeometric distribution, carrying out multiple correction on a checking result, and judgingone-machine multi-card users in the sampling data. The method is used for carrying out regional demographic statistics through mobile big data, and the demographic statistics result is corrected by using the judged one-machine multi-card user in the statistical region, so that the demographic statistics accuracy can be improved.

Description

technical field [0001] The invention relates to the technical field of statistical analysis and application of mobile big data, in particular to a discrimination method for one machine with multiple cards based on the similarity of signaling trajectories. Background technique [0002] The use of mobile communication big data to monitor and count the population can effectively estimate the population size, grasp the population flow, and timely warn the development trend of the regional population. The mobile communication big data used in the use of big data to carry out population monitoring and statistics work is collected and analyzed based on mobile communication terminal equipment. The premise is that a mobile phone user corresponds to a mobile phone number. But in reality, there are many phenomena of multiple cards in one machine, that is, a mobile phone user may carry multiple mobile phone numbers at the same time. The problem of multiple cards in one machine has seri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W8/18G06F17/18
CPCH04W8/18G06F17/18
Inventor 贺炎俊朱明珠杨占军
Owner 北京融信数联科技有限公司
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