Downstream Utility Preservation on CPPB Downstream Utility
100Accuracy (AC)No protection
Evaluation results
| Method | Links | ||
|---|---|---|---|
| No protection2026.04 | 100 | 100 | |
| Regex-only2026.04 | 97 | 96 | |
| Proposed (utility-constrained)strategy=utility-constrained2026.04 | 94 | 92 | |
| Enterprise staged redaction2026.04 | 92 | 90 | |
| NER-only masking2026.04 | 91 | 89 | |
| Proposed (semantic abstraction)strategy=semantic abstraction2026.04 | 88 | 86 | |
| Generic de-identification2026.04 | 73 | 71 |