Precision@1 of the five algorithms on the full DDC classification task
| Algorithm | Precision, title only | Precision, title and subjects | Precision, all records | nDCG |
|---|---|---|---|---|
| Lexical | 2.43% | 8.61% | 7.08% | 0.1286 |
| SVC | 24.69% | 45.12% | 40.05% | 0.5183 |
| fastText | 26.87% | 43.93% | 39.70% | 0.5311 |
| Omikuji | 29.23% | 48.23% | 43.52% | 0.5706 |
| LSFO ensemble | 30.83% | 49.50% | 44.87% | 0.5744 |
| Algorithm | Precision, title only | Precision, title and subjects | Precision, all records | nDCG |
|---|---|---|---|---|
| Lexical | 2.43% | 8.61% | 7.08% | 0.1286 |
| SVC | 24.69% | 45.12% | 40.05% | 0.5183 |
| fastText | 26.87% | 43.93% | 39.70% | 0.5311 |
| Omikuji | 29.23% | 48.23% | 43.52% | 0.5706 |
| LSFO ensemble |
Source(s): Authors’ own creation
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