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Account transaction clustering method and system thereof

A clustering method and transaction type technology, applied in payment architecture, data processing applications, instruments, etc., can solve the problems of lack of intelligence and stability, and achieve the effect of improving accuracy and effectiveness

Active Publication Date: 2016-07-27
ADVANCED NEW TECH CO LTD
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Problems solved by technology

[0004] If the trial is conducted manually, it requires experienced judges to analyze and judge the transactions involved in each case one by one, and to ensure the accuracy and effectiveness of the judgment of the entire case by eliminating the normal transactions of the stolen party. Artificial methods lack intelligence and stability

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  • Account transaction clustering method and system thereof
  • Account transaction clustering method and system thereof
  • Account transaction clustering method and system thereof

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Embodiment Construction

[0027] In the following description, many technical details are proposed in order to enable readers to better understand the application. However, those skilled in the art can understand that without these technical details and various changes and modifications based on the following implementation modes, the technical solution claimed in each claim of the present application can be realized.

[0028] In order to make the purpose, technical solution and advantages of the present invention clearer, the following will further describe the implementation of the present invention in detail in conjunction with the accompanying drawings.

[0029] The first embodiment of the present invention relates to a clustering method for account transactions, figure 1 is a flow diagram of the clustering method for the account transactions.

[0030] Specifically, as figure 1 As shown, the clustering method of the account transactions includes the following steps:

[0031] Step 101, extracting...

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Abstract

The invention relates to an account security technology, and discloses an account transaction clustering method and system thereof. The method comprises the steps that a characteristic factor, which represents an account transaction characteristic, of each account in to-be-clustered transaction is extracted, wherein the characteristic factor comprises a first class of characteristic factor which represents the independent information of each account and a second class of characteristic factor which represents association information of accounts; for the first class of characteristic factor and the second class of characteristic factor, a measurement scale independent of each characteristic factor is used to carry out normalization; after normalization, Euclidean distance is used to calculate the similarity of clustering centers of various types of transactions; and according to the similarity, account transaction clustering is carried out. For the first class of characteristic factor and the second class of characteristic factor, the independent measurement scale is used to carry out normalization, and then the similarity is calculated for clustering. The problem of different characteristic factor variable dimensions is overcome. Small characteristic factors are prevented from being exaggerated.

Description

technical field [0001] The invention relates to account security technology, in particular to a clustering method and system for account transactions. Background technique [0002] In Internet third-party payment, there are many risk problems, especially the cases of card theft and account theft. These two types of theft have brought great challenges to the security experience of customers and the risky operation of payment institutions. [0003] Most of the existing technical methods and solutions effectively identify and analyze various stolen cards and stolen accounts, and most of them do not consider the risk of fraudulent compensation by the stolen in the actual stolen transaction. That is to say, when some stolen persons with insufficient integrity request recovery of the stolen losses, most of the actual stolen transactions include some normal transactions of the stolen persons themselves, which is often ignored by Internet payment institutions. For example, among th...

Claims

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Application Information

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IPC IPC(8): G06Q20/42
Inventor 祝志博陈秋纯张英
Owner ADVANCED NEW TECH CO LTD
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