TABLE 2. Comparison of Model Performance.
| Stages | Metrics | Models | Politics | Foreign | Situation | Measures | Racism | Overall |
|---|---|---|---|---|---|---|---|---|
| Aspect Detection | Macro F1 | SVM | 0.67 | 0.58 | 0.68 | 0.60 | 0.66 | 0.60 |
| Ours | 0.76 | 0.72 | 0.76 | 0.73 | 0.81 | 0.71 | ||
| Micro F1 | SVM | 0.87 | 0.91 | 0.85 | 0.90 | 0.89 | 0.74 | |
| Ours | 0.88 | 0.92 | 0.88 | 0.92 | 0.93 | 0.80 | ||
| Sentiment Classification | Macro F1 | VADER | 0.28 | 0.30 | 0.53 | 0.54 | 0.32 | 0.53 |
| SVM | 0.49 | 0.48 | 0.68 | 0.53 | 0.71 | 0.68 | ||
| Ours | 0.49 | 0.85 | 0.76 | 0.68 | 0.72 | 0.77 | ||
| Micro F1 | VADER | 0.44 | 0.42 | 0.60 | 0.68 | 0.41 | 0.54 | |
| SVM | 0.94 | 0.90 | 0.73 | 0.69 | 0.90 | 0.68 | ||
| Ours | 0.85 | 0.95 | 0.79 | 0.78 | 0.88 | 0.77 | ||
| Joint | Macro F1 | NLI-M | 0.57 | 0.66 | 0.63 | 0.49 | 0.53 | 0.62 |
| Ours | 0.50 | 0.63 | 0.68 | 0.57 | 0.67 | 0.63 | ||
| Micro F1 | NLI-M | 0.89 | 0.92 | 0.86 | 0.91 | 0.88 | 0.64 | |
| Ours | 0.88 | 0.91 | 0.88 | 0.92 | 0.92 | 0.65 |