| Metric | Value |
|---|---|
| Queries | 15 |
| Mean P@5 (headline) | 0.2533 |
| Mean P@1 | 0.2000 |
| Mean P@10 | 0.2667 |
| Zero P@5 queries | 8 / 15 |
This is the second-poorest baseline by P@5 after acronym (which was even more dramatic: 4/22 = 18%). For symbol-attribute, the picture is bimodal: some queries score near 1.0, many score 0.