Table 4 Studies’ topic

1

State of the art: secondary studies

1.2 Search for studies

6 – [26, 38, 93–96]

1.3 SLR conduction

6 – [22–24, 45, 64, 97]

1.5 Visual Text Mining

5 – [46, 54, 54, 55, 98]

1.4 Selection of studies

4 – [55, 57, 79, 83]

1.6 SLR process

4 – [28, 30, 36, 99]

1.1 Support tool

4 – [37, 82, 85, 100]

1.7 Systematic mapping

3 – [27, 31, 33]

1.8 SLR update

3 – [47, 48, 56]

1.9 SLR replication

1 – [32]

2

Software development

17

3

Software process

15

4

Software testing

13

5

Software requirements

10