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

Table 7

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

Fold	Methods	P	R	F1
1	BERT-W-E-LSTM-CRF	89.6	90.5	90.0
2	BERT-W-E-LSTM-CRF	89.9	90.6	90.2
3	BERT-W-E-LSTM-CRF	89.2	90.3	89.7
4	BERT-W-E-LSTM-CRF	88.8	90.7	89.7
5	BERT-W-E-LSTM-CRF	88.7	90.8	89.7
6	BERT-W-E-LSTM-CRF	89.6	90.6	90.1
7	BERT-W-E-LSTM-CRF	88.9	90.8	89.8
8	BERT-W-E-LSTM-CRF	89.5	91.2	90.3
9	BERT-W-E-LSTM-CRF	89.6	91.0	90.29
10	BERT-W-E-LSTM-CRF	89.2	90.5	89.8
Ove	BERT-W-E-LSTM-CRF	89.3  0.38	90.7  0.25	90  0.24

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