Precision@1 of the five algorithms on the three-digit DDC classification task
| Algorithm | Precision, title only | Precision, title and subjects | Precision, all records | nDCG |
|---|---|---|---|---|
| Lexical | 5.17% | 16.42% | 13.63% | 0.2464 |
| SVC | 45.74% | 66.24% | 61.15% | 0.7380 |
| fastText | 45.80% | 64.01% | 59.49% | 0.7378 |
| Omikuji | 46.88% | 65.49% | 60.88% | 0.7445 |
| LSFO ensemble | 50.66% | 66.88% | 62.91% | 0.7625 |
| Algorithm | Precision, title only | Precision, title and subjects | Precision, all records | nDCG |
|---|---|---|---|---|
| Lexical | 5.17% | 16.42% | 13.63% | 0.2464 |
| SVC | 45.74% | 66.24% | 61.15% | 0.7380 |
| fastText | 45.80% | 64.01% | 59.49% | 0.7378 |
| Omikuji | 46.88% | 65.49% | 60.88% | 0.7445 |
| LSFO ensemble |
Source(s): Authors’ own creation
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