Table 5 Accuracy of the proposed named entity recognition method.
Method | Heuristic named entity recognition (%) | Ruled-based named entity recognition (%) | |||||
|---|---|---|---|---|---|---|---|
Key field | Bank involved | Province occurred | City occurred | Start year | End year | People involved | Loss amount |
1 | 82.978 | 87.234 | 89.362 | 76.595 | 82.979 | 76.596 | 74.468 |
2 | 95.238 | 95.238 | 92.857 | 76.191 | 78.571 | 78.571 | 83.333 |
3 | 69.697 | 78.788 | 72.727 | 69.697 | 75.758 | 66.667 | 72.727 |
4 | 72.093 | 55.814 | 69.767 | 74.419 | 76.744 | 58.140 | 65.116 |
5 | 82.857 | 91.429 | 80.000 | 82.857 | 88.571 | 62.857 | 74.286 |
Average | 80.573 | 81.700 | 80.943 | 75.952 | 80.525 | 68.566 | 73.986 |
