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An ablation study for our model.a
| Model | Intrasentence level | Intersentence level | Relation merging | ||||||
| Precision (%) | Recall (%) | F-measure (%) | Precision (%) | Recall (%) | F-measure (%) | Precision (%) | Recall (%) | F-measure (%) | |
| Without multihead attention | 58.2 | 82.9 | 68.4 | 44.7 | 44.3 | 44.5 | 55.1 | 71.3 | 62.2 |
| Without GCNb | 62.6 | 74.1 | 67.9 | 43.6 | 48.4 | 45.9 | 57.1 | 66.4 | 61.4 |
| Our model | 59.1 | 81.5 | 68.5 | 47.8 | 52.2 | 49.9 | 56.3 | 72.7 | 63.5 |
aThe values in italics indicate significant findings.
bGCN: graph convolutional network.
