Table 4.
The effect of the attention heads on performance.
| Heads (n) | Precision (%) | Recall (%) | F-measure (%) |
| 2 | 57.2 | 68.2 | 62.2 |
| 4 | 56.9 | 70.6 | 63.0 |
| 5 | 56.3 | 72.7 | 63.5 |
| 8 | 57.0 | 70.2 | 62.9 |
| 10 | 54.4 | 75.4 | 63.2 |
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