Research Article

WASTK: A Weighted Abstract Syntax Tree Kernel Method for Source Code Plagiarism Detection

Table 4

The results of WASTK, ASTK, Sim, and JPlag on the testing data of each fold.

Fold # ToolPrecisionRecallJaccardTPFPFN

1WASTK0.8789810.5321340.49580841457364
1ASTK1.00.483290.483293760402
1Sim0.2715040.5964010.2293624641245314
1JPlag0.3113880.2249360.150215175387603

2WASTK0.8725270.5189540.48238239758368
2ASTK1.00.4614380.4614383530412
2Sim0.2728880.6039220.2314634621231303
2JPlag0.2807020.209150.13617160410605

3WASTK0.8719650.506410.4713639558385
3ASTK1.00.4423080.4423083450435
3Sim0.2756560.5923080.2316954621214318
3JPlag0.2892860.2076920.137521162398618