Comparison of classification accuracy (%) on 16 domains in FDU-MTL dataset where the previous methods (MT-DNN, ASP-MTL, MAN-L2, MAN-NLL, FT) and the proposed MSP are evaluated. Length of soft prompt is set as 5.
| Domain | MT-DNN | ASP-MTL | MAN-L2 | MAN-NLL | FT | MSP |
|---|---|---|---|---|---|---|
| Books | 82.2 | 84.0 | 87.6 | 86.8 | 87.0 | 89.0 |
| DVD | 84.2 | 85.5 | 88.1 | 88.6 | 85.6 | 88.1 |
| Electronics | 81.7 | 86.8 | 87.4 | 88.8 | 88.3 | 90.3 |
| Kitchen | 80.7 | 86.2 | 89.8 | 89.9 | 91.0 | 90.7 |
| Apparel | 85.0 | 87.0 | 87.6 | 87.6 | 90.0 | 92.0 |
| Camera | 86.2 | 89.2 | 91.4 | 90.7 | 90.0 | 90.8 |
| Health | 85.7 | 88.2 | 89.8 | 89.4 | 88.3 | 91.3 |
| Music | 84.7 | 82.5 | 85.9 | 85.5 | 86.8 | 87.8 |
| Toys | 87.7 | 88.0 | 90.0 | 90.4 | 90.3 | 90.8 |
| Video | 85.0 | 84.5 | 89.5 | 89.6 | 88.0 | 88.4 |
| Baby | 88.0 | 88.2 | 90.0 | 90.2 | 91.5 | 91.3 |
| Magazine | 89.5 | 92.2 | 92.5 | 92.9 | 89.8 | 90.2 |
| Software | 85.7 | 87.2 | 90.4 | 90.9 | 89.3 | 90.9 |
| Sports | 83.2 | 85.7 | 89.0 | 89.0 | 90.8 | 91.8 |
| IMDB | 83.2 | 85.5 | 86.6 | 87.0 | 85.8 | 88.3 |
| MR | 75.5 | 76.7 | 76.1 | 76.7 | 74.0 | 80.4 |
| AVG | 84.3 | 86.1 | 88.2 | 88.4 | 87.9 | 89.5 |
| Domain | MT-DNN | ASP-MTL | MAN-L2 | MAN-NLL | FT | MSP |
|---|---|---|---|---|---|---|
| Books | 82.2 | 84.0 | 87.6 | 86.8 | 87.0 | |
| DVD | 84.2 | 85.5 | 88.1 | 85.6 | 88.1 | |
| Electronics | 81.7 | 86.8 | 87.4 | 88.8 | 88.3 | |
| Kitchen | 80.7 | 86.2 | 89.8 | 89.9 | 91.0 | |
| Apparel | 85.0 | 87.0 | 87.6 | 87.6 | 90.0 | |
| Camera | 86.2 | 89.2 | 90.7 | 90.0 | 90.8 | |
| Health | 85.7 | 88.2 | 89.8 | 89.4 | 88.3 | |
| Music | 84.7 | 82.5 | 85.9 | 85.5 | 86.8 | |
| Toys | 87.7 | 88.0 | 90.0 | 90.4 | 90.3 | |
| Video | 85.0 | 84.5 | 89.5 | 88.0 | 88.4 | |
| Baby | 88.0 | 88.2 | 90.0 | 90.2 | 91.3 | |
| Magazine | 89.5 | 92.2 | 92.5 | 89.8 | 90.2 | |
| Software | 85.7 | 87.2 | 90.4 | 90.9 | 89.3 | |
| Sports | 83.2 | 85.7 | 89.0 | 89.0 | 90.8 | |
| IMDB | 83.2 | 85.5 | 86.6 | 87.0 | 85.8 | |
| MR | 75.5 | 76.7 | 76.1 | 76.7 | 74.0 | |
| AVG | 84.3 | 86.1 | 88.2 | 88.4 | 87.9 |