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 # | Tool | Precision | Recall | Jaccard | TP | FP | FN |
| 1 | WASTK | 0.878981 | 0.532134 | 0.495808 | 414 | 57 | 364 | 1 | ASTK | 1.0 | 0.48329 | 0.48329 | 376 | 0 | 402 | 1 | Sim | 0.271504 | 0.596401 | 0.229362 | 464 | 1245 | 314 | 1 | JPlag | 0.311388 | 0.224936 | 0.150215 | 175 | 387 | 603 |
| 2 | WASTK | 0.872527 | 0.518954 | 0.482382 | 397 | 58 | 368 | 2 | ASTK | 1.0 | 0.461438 | 0.461438 | 353 | 0 | 412 | 2 | Sim | 0.272888 | 0.603922 | 0.231463 | 462 | 1231 | 303 | 2 | JPlag | 0.280702 | 0.20915 | 0.13617 | 160 | 410 | 605 |
| 3 | WASTK | 0.871965 | 0.50641 | 0.47136 | 395 | 58 | 385 | 3 | ASTK | 1.0 | 0.442308 | 0.442308 | 345 | 0 | 435 | 3 | Sim | 0.275656 | 0.592308 | 0.231695 | 462 | 1214 | 318 | 3 | JPlag | 0.289286 | 0.207692 | 0.137521 | 162 | 398 | 618 |
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