Comparison of classification accuracy (%) for the methods without and with additional few-shot unsupervised domain adaptation (UDA) where number of shots is set as 4 and 8. Length of soft prompt is fixed as 10. The randomly-selected domains in FDU-MTL dataset are evaluated.
| Domain | FT | SP | MSP | SP (4) | MSP (4) | SP (8) | MSP (8) |
|---|---|---|---|---|---|---|---|
| Health | 88.3 | 90.5 | 91.3 | 90.8 | 91.8 | 90.7 | 92.2 |
| Music | 86.8 | 86.2 | 87.8 | 86.0 | 88.4 | 86.4 | 89.2 |
| Toys | 90.3 | 90.0 | 90.8 | 90.7 | 91.9 | 90.5 | 91.8 |
| Magazine | 89.8 | 88.9 | 90.2 | 88.7 | 91.0 | 88.9 | 92.1 |
| UDA | no | no | no | yes | yes | yes | yes |
| Domain | FT | SP | MSP | SP (4) | MSP (4) | SP (8) | MSP (8) |
|---|---|---|---|---|---|---|---|
| Health | 88.3 | 90.5 | 90.8 | 91.8 | 90.7 | ||
| Music | 86.8 | 86.2 | 86.0 | 88.4 | 86.4 | ||
| Toys | 90.3 | 90.0 | 90.7 | 90.5 | 91.8 | ||
| Magazine | 89.8 | 88.9 | 88.7 | 91.0 | 88.9 | ||
| UDA | no | no | no | yes | yes | yes | yes |