Named Entity Recognition for Public Interest Litigation Based on a Deep Contextualized Pretraining Approach

Table 6

Result of the 10-fold cross-validation test at the NER level.

Fold	Method	P	R	F1
1	BERT-W-E-LSTM-CRF	95.8	95.6	95.7
2	BERT-W-E-LSTM-CRF	96.2	96.5	96.3
3	BERT-W-E-LSTM-CRF	95.4	96.4	95.9
4	BERT-W-E-LSTM-CRF	96.5	96.4	96.4
5	BERT-W-E-LSTM-CRF	95.3	95.5	95.4
6	BERT-W-E-LSTM-CRF	96.6	95.8	96.2
7	BERT-W-E-LSTM-CRF	96.3	96.8	96.5
8	BERT-W-E-LSTM-CRF	96.6	95.8	96.2
9	BERT-W-E-LSTM-CRF	95.8	96.2	96.0
10	BERT-W-E-LSTM-CRF	95.5	95.0	95.0
Ove	BERT-W-E-LSTM-CRF	96  0.48	96  0.52	96  0.45

Notes: Ove means the overall performance (mean  std).