Research Article
A Novel Threat Intelligence Information Extraction System Combining Multiple Models
Table 1
The performance of the entity extraction task.
| Model | Precision | Recall | F1 | Accuracy |
| EEMAP-WE | 69.23 | 67.71 | 68.46 | 61.12 | BiLSTM [11] | 69.80 | 66.62 | 68.17 | 62.11 | BiLSTM-CRF [13] | 70.10 | 68.40 | 69.24 | 62.77 | EEMAP-BERT (our model) | 79.02 | 77.22 | 78.11 | 74.13 | No POS | 78.43 | 76.46 | 77.44 | 73.39 | No attention | 78.56 | 76.84 | 77.69 | 73.57 | No POS + no attention | 75.97 | 74.74 | 75.35 | 70.68 |
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