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Stock collaborative transaction doubtful point group detection method based on bipartite graph

A detection method and stock trading technology, applied in the information field, can solve problems such as lack of technical means for stock traders

Active Publication Date: 2019-10-22
XI AN JIAOTONG UNIV +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Based on the historical transaction data of traders in the stock secondary market, the technical means for community division of stock traders are still lacking

Method used

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  • Stock collaborative transaction doubtful point group detection method based on bipartite graph
  • Stock collaborative transaction doubtful point group detection method based on bipartite graph
  • Stock collaborative transaction doubtful point group detection method based on bipartite graph

Examples

Experimental program
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Effect test

Embodiment approach

[0038] See figure 1 As shown, the present invention provides a bipartite graph-based method for detecting a group of suspected stocks in collaborative trading. First, a collection of suspected accounts and a collection of transaction events are collected, and then the following steps are performed:

[0039] S101), determine whether there is an update in the collected suspicious account collection

[0040] When accepting the original input to perform step S101) for the first time, accept the original input as the suspect account set ACC and the transaction event set STK, and at least one of the two inputs has a valid value; if based on the original input, the judgment step S101 is entered for the first time ) And there is a valid value in the suspect account set in the original input, or based on the algorithm loop to enter the judgment step S101) and the suspect account set is updated compared to the previous judgment step S101), skip to step S102); otherwise, skip to step S106) ....

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Abstract

The invention discloses a stock collaborative transaction doubtful point group detection method based on a bipartite graph. The method comprises: according to stock transaction historical data, takingtransaction events and doubtful point accounts as two different nodes of a bipartite graph, and searching the transaction events and screening the doubtful point accounts in a loop iteration updatingmode until a transaction event set and a doubtful point account set converge; and on the basis of the converged transaction event set and doubtful point account set, constructing an inter-account transaction collaboration graph, performing community division based on the inter-account transaction collaboration graph, and discovering an account community for cooperatively performing stock transaction as a stock collaborative transaction doubtful point group. According to the invention, an account for closely and synchronously trading stocks with a given doubtful accountand accounts frequentlyparticipating in a given stock transaction event are mined, abnormal transaction cooperative behaviors between the accounts are disclosed, the potential possibility that stock price trend is influenced or even controlled through cooperative transaction between the accounts is reflected, and reference is provided for stock secondary market risk early warning.

Description

Technical field [0001] The invention relates to the field of information technology, and in particular to a method for detecting a group of doubtful points in a stock cooperative transaction based on a bipartite graph. Background technique [0002] A stock is a certificate of ownership issued by a stock company. It is a kind of securities that a stock company issues to each shareholder as a certificate of shareholding in order to raise funds to obtain dividends and bonuses. Each share of stock represents the shareholder's ownership of a basic unit of the company. Every listed company issues shares. [0003] Stocks are a component of the capital of a joint-stock company, which can be transferred and bought and sold. They are the main long-term credit tool of the capital market, but the company cannot be required to return its capital. In the stock secondary market, a certain scale of traders commissions certain stocks according to certain rules, which can significantly affect the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/2458G06Q40/04
CPCG06Q40/04G06F16/2474G06Q10/04G06Q30/0185G06Q50/26G06Q40/12G06Q20/407
Inventor 刘烃郑继翔黄凌翼周经纬刘逸敏周亚东
Owner XI AN JIAOTONG UNIV
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