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Table 6 Article classification

From: Fraud, corruption, and collusion in public procurement activities, a systematic literature review on data-driven methods

Article Classification

Number of articles

Corruption cases

Fraud cases

Collusion cases

General Public Procurement

18

17

3

5

Construction industry

9

5

0

8

Public online auction

1

1

1

0

Shell companies contracting

1

1

0

0

Bidding markets

1

0

0

1

Defense

1

1

0

0

*Private online auction

17

0

16

4

TOTAL

48

25

20

18