Reference

# of Projects

# of Design Patterns

Defect Data Source

Vokáč [8]

1

5

CVS

Aversano et al. [9]

3

11

CVS and SVN

Ampatzoglou et al. [39]

97

11

Not specified

Gatrell et al. [10]

1

10 + 3 non GoF

Source code commits

Elish and Mohammed [38]

5

17

CVS

This paper

26

12

Bug tracking systems