Table 3 Parameter values for submitted classifiers after parameter search.
Classifier | Features | λ | β 1 | β 2 | β 3 | β 4 | β 5 |
|---|---|---|---|---|---|---|---|
VTT0 | SP | 1.1 | - | - | - | - | - |
VTT0 | Bigrams | 1.1 | - | - | - | - | - |
VTT1 | SP | 1.3 | 40 | - | - | - | - |
VTT1 | Bigrams | 1.5 | 20 | - | - | - | - |
VTT5 | SP | 2.2 | 6 | 50 | 70 | 4 | 40 |
VTT5 | Bigrams | 2.1 | 6 | 50 | 60 | 5 | 30 |
VTT3 | SP | 1.4 | 17 | 115 | 115 | - | - |