Abnormal user identification method and device thereof, equipment and storage medium

Abstract

The invention relates to a big data technology, and discloses an abnormal user identification method, which comprises the following steps: collecting historical complaint work order information, extracting appeal details, and obtaining appeal detail texts of a plurality of users; extracting keywords in each appeal detail text, and generating a first abnormal user set based on the keywords; based on the historical complaint work order information, obtaining device information of the multiple users, and generating a second abnormal user set according to the device information of the multiple users and a preset device information condition; and obtaining a user knowledge graph constructed based on user information, and identifying and generating a third abnormal user set from the user knowledge graph to obtain an abnormal user set. In addition, the invention also relates to a block chain technology, and historical complaint work order information can be stored in nodes of a block chain. The invention further provides an abnormal user recognition device, electronic equipment and a storage medium. According to the invention, the identification efficiency of abnormal users can be improved.

Description

technical field [0001] The present invention relates to the field of big data technology, and in particular to an abnormal user identification method, device, electronic equipment and computer-readable storage medium. Background technique [0002] With the development of society, people have higher and higher requirements for the quality of life and various services. Once there is dissatisfaction, there will be complaints. For example, some customers complain to the bank because they are dissatisfied with the bank's service attitude and charging issues. However, some abnormal users maliciously complain to the bank in order to achieve their own economic goals, default on repayment, or even fail to repay, and entrust a third party to complain to the bank. This behavior may seriously affect the normal business of the bank. [0003] For this kind of abnormal users, at present, it is mainly to manually check the content of the work order, listen to the recording, and judge wheth...

AI Technical Summary

Problems solved by technology

However, some abnormal users maliciously complain to the bank in order to achieve their own economic goals, default on repayment, or even refuse to repay, and entrust a third party to complain to the bank. This behavior may seriously affect the normal business of the bank.

[0003] For this kind of abnormal users, at present, it is mainly to manually check the content of the work order, listen to the recording, and judge whether they are illegal users. This method is time-consuming, labor-intensive, inefficient and has a high error rate. method of identifying abnormal users

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