https://publikationen.bibliothek.kit.edu/542000
JPlag: finding plagiarisms among a set of programs
JPlag is a system that finds pairs of similar programs among a given set of programs. It has successfully been used in practice to detect plagiarisms among
set offindingamongprograms
https://ipbiz.blogspot.com/2007/05/are-there-good-and-bad-plagiarisms.html
IPBiz: Are there "good" and "bad" plagiarisms?
good and bad