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Problem clue screening method and system for bidding and tendering data in e-government affairs

A technology of e-government and screening methods, applied in other database retrieval, electronic digital data processing, and other database indexing, etc., can solve problems such as many projects, difficult to find out and correct problems, and few supervisory investigators

Pending Publication Date: 2022-04-12
INST OF COMPUTING TECH CHINESE ACAD OF SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The supervision after the problem occurs can be defined as post-event supervision and passive supervision. If the problem cannot be found, these enterprises can get away with it. At the same time, the possibility of finding the problem is relatively low. Many problems are difficult to find out and correct

Method used

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  • Problem clue screening method and system for bidding and tendering data in e-government affairs
  • Problem clue screening method and system for bidding and tendering data in e-government affairs
  • Problem clue screening method and system for bidding and tendering data in e-government affairs

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Embodiment Construction

[0030] The object of the present invention is to propose a method and system for finding clues to problems in engineering construction bidding. In the system, the existing bidding data is first used to form the social network graph of the bidding unit and the bidding unit, and the social network of the bidding unit and the bidding unit is updated in time in the process, so as to achieve early warning of the close connection between different companies. In the social network The close connection between multiple bidding companies, or the close connection between the bidding unit and the bidding unit is regarded as a clue. Before the bidding is completed, the clues are found in advance and the early warning is given.

[0031] The present invention adopts following technical scheme:

[0032] A method for finding clues to engineering construction bidding problems based on e-government data, the steps are as follows:

[0033] Step 1, the preprocessing of e-government data, from th...

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Abstract

The invention provides a problem clue screening method and system for bidding and tendering data in e-government affairs, a weighted undirected graph of bidding units and tendering units is constructed by applying previous bidding and tendering data, and nodes in the graph represent the bidding units and the tendering units in bidding and tendering. A bidding and tendering relation graph constructed through previous data is regarded as a social network graph, graph embedding operation is carried out on each node of the graph, the incidence relation between different companies can be obtained, early warning can be carried out when companies with the very close incidence relation operate at the same time, and the safety of the companies is improved. Therefore, abnormal clues such as bidding, accompanying bidding and the like in the bidding and tendering data are screened out.

Description

technical field [0001] The invention directly belongs to the technical field of big data supervision, and particularly relates to a method and a system for screening clues of problems in bidding data in e-government affairs. Background technique [0002] The project construction of state-owned enterprises is an important expenditure of state-owned enterprises every year. Whether the project construction can be completed in a standardized, safe and standard way is not only the rationalization of government financial expenditure, but also the guarantee of project safety and quality. There are many problems in the construction of the project, mainly including the existence of bid rigging and collusion in the bidding process. Many companies participate in the accompanying bids, obtain the project at the lowest bidding price, and then resell it to another company at a high price. There are many processes in project construction (planning, construction, preliminary design, detaile...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/901G06F16/9536G06F16/9032G06Q40/04G06N7/00
Inventor 辛增卫刘媛褚志海方金云赵龙军
Owner INST OF COMPUTING TECH CHINESE ACAD OF SCI
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