Table 5 Effect of fine-grained CWS and POS tagging on NER for clinical text
From: A fine-grained Chinese word segmentation and part-of-speech tagging corpus for clinical text
System | P(%) | R(%) | F(%) |
|---|---|---|---|
Baseline | 88.83 | 88.74 | 88.79 |
+ CWS (CRF) | 89.28 | 88.79 | 89.13 |
+ CWS&POS (CRF) | 90.90 | 88.20 | 89.53 |
+ CWS (BiLSTM-CRF) | 89.31 | 88.75 | 89.03 |
+ CWS&POS (BiLSTM-CRF) | 89.65 | 88.63 | 89.14 |