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

Table 5

Comparison of effects between various models (NERP category).

Methods	P	R	F1
BERT-FC [36]	72.0	72.8	72.4
BERT-BiLSTM-CRF [36]	89.0	89.0	89.0
BERT-WWM-EXT-BiLSTM-CRF (proposed method)	89.3	90.7	90.0
RoBERTa-FC	72.3	67.8	70.0
RoBERTa-BiLSTM-CRF	85.2	89.5	87.3
RoBERTa-WWM-EXT-BiLSTM-CRF	88.7	87.9	88.3
ALBERT-FC	66.2	67.4	66.8
ALBERT-BiLSTM-CRF	88.0	88.4	88.2

The bold values mean the optimal values among all the methods.