| Baseline models | Parameter setting |
| Text-CNN (M1) | , filters = 100, input = petition body | Text-CNN + LSTM (M2) | , input = petition body and title | Text-CNN + CNN (M3) | , filters = 100, input = petition body and title | Bi-LSTM (M4) | , input = petition body | Bi-LSTM + LSTM (M5) | , , input = petition body and title | Bi-LSTM + CNN (M6) | , , input = petition body and title | CNN - Bi-LSTM (M7) | , , , input = petition body | CNN - Bi-LSTM + LSTM (M8) | , , , input = petition body and title | CNN - Bi-LSTM + CNN (M9) | , , , input = petition body and title | Bi-LSTM-CNN (M10) | , , input = petition body | Bi-LSTM-CNN + LSTM (M11) | , , , input = petition body and title |
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