Research Article
A Novel IM Sync Message-Based Cross-Device Tracking
Table 5
Sync message identification result of four applications.
| | Device type | Indicator | QQ | WeChat | WhatsApp | Facebook Messenger |
| | PC | Precision | 94.3% | 81.4% | 95.3% | 86.8% | | Recall | 99.0% | 96.0% | 82.0% | 92.0% | | -score | 0.966 | 0.881 | 0.882 | 0.893 |
| | Mobile phone | Precision | 88.2% | 90.5% | 80.3% | 88.3% | | Recall | 97.0% | 95.0% | 94.0% | 98.0% | | -score | 0.924 | 0.927 | 0.866 | 0.929 |
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