Table 4. Top keywords based on the...

Table 4.

Top keywords based on the frequency criterion in the field of financial fraud detection

Index	Author’s keywords	Frequency
1	Anomaly detection	249
2	Fraud detection	98
3	Machine learning	62
4	Data mining	47
5	Audit	37
6	Principal component analysis	35
7	Earning management	23
8	Deep learning	21
9	Clustering	20
10	Corporate governance	16
11	Unsupervised learning	15
12	Benford’s law	15
13	Network security	13
14	Fraud triangle	12
15	Random forest	11
16	Feature extraction	11
17	Neural network	11
18	Audit quality	10
19	Decision tree	10
20	Internal control	10

Index	Author’s keywords	Frequency
1	Anomaly detection	249
2	Fraud detection	98
3	Machine learning	62
4	Data mining	47
5	Audit	37
6	Principal component analysis	35
7	Earning management	23
8	Deep learning	21
9	Clustering	20
10	Corporate governance	16
11	Unsupervised learning	15
12	Benford’s law	15
13	Network security	13
14	Fraud triangle	12
15	Random forest	11
16	Feature extraction	11
17	Neural network	11
18	Audit quality	10
19	Decision tree	10
20	Internal control	10

Source: Author contribution

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