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Performance of different methods on the development set of Subtask 2
| Method | F1 (exact) | F1 (hierarchy) |
|---|---|---|
| Indri (baseline) | 1.3% | 11.8% |
| GORank | 5.9% | 17.3% (+46.6%) |
| GORank + hierarchy | 6.6% | 16% |
| GORank + frequency + hierarchy (Run 3) | 5.9% | 12.7% |
| GORank + frequency + hierarchy (Run 1) | 6.9% | 16.3% |
| GORank + frequency + Hierarchy (Run 2) | 6.9% (+430.8%) | 16.4% |
