- BiLSTM-CRF: BiLSTM with manually implemented CRF, f1-score 0.65 after 10 epoch
- BiLSTM-torchcrf: BiLSTM with torchcrf
- BERT-NER:Bert with linear classifier,test f1 0.7607
- BERT-CRF-NER:Bert-crf with linear classifier,test f1 0.7714
- BERT-LSTM-CRF-NER:Bert-LSTM-crf,test f1 0.7971