July 01, 2004
Detecting Source-Code Plagiarism
File 1 File 2
1 if (x == 5) 1 if (xyz < 2)
2 { 2 for (jjj = 0; jjj < i; jjj++)
3 // Loop on j here 3 {
4 for (j = 0; j < Index; j++) 4 printf("Hello world\n");
5 printf("x = %i", j); 5 }
6 } 6 else
7 else 7 while (i > 3) i--;
8 while (i < 5) i++; 8
Figure 5: Semantic sequence matching.
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