Table 4 The result of coverage and precision
| Number of Nodes | Number of Question | Coverage (%) | Precision (%) |
|---|---|---|---|
| 1 | 20 | 95.00 | 100.00 |
| 2 | 112 | 75.00 | 98.81 |
| 3 | 62 | 74.19 | 95.65 |
| > 3 | 17 | 94.11 | 81.25 |
| total | 211 | 78.20 | 96.36 |
| Number of Nodes | Number of Question | Coverage (%) | Precision (%) |
|---|---|---|---|
| 1 | 20 | 95.00 | 100.00 |
| 2 | 112 | 75.00 | 98.81 |
| 3 | 62 | 74.19 | 95.65 |
| > 3 | 17 | 94.11 | 81.25 |
| total | 211 | 78.20 | 96.36 |