| User1 | precision | recall | f1-score | User2 | precision | recall | f1-score |
| Self-training | 0.59 | 0.62 | 0.56 | Self-training | 0.71 | 0.75 | 0.71 |
| Co-training | 0.64 | 0.65 | 0.58 | Co-training | 0.73 | 0.74 | 0.63 |
| S3VM | 0.73 | 0.71 | 0.69 | S3VM | 0.82 | 0.75 | 0.72 |