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Table 4 Count of search results for the SLR from scientific database

From: Secure big data ecosystem architecture: challenges and solutions

Database

1st filtration

2nd filtration

3rd filtration

Studies selected

Percent selected

IEEE Xplore

51

31

26

25

31.6%

ProQuest

45

39

31

27

34%

Google Scholar

39

35

14

11

14%

Science Direct

25

17

15

13

16%

Scopus

15

13

6

3

3.7%

Total

175

135

92

79

100