Journals
Publish with us
Publishing partnerships
About us
Blog
Journal of Sensors
Journal overview
For authors
For reviewers
For editors
Table of Contents
Special Issues
Journal of Sensors
/
2022
/
Article
/
Tab 1
/
Research Article
TBR-NER: Research on COVID-19 Text Information Extraction Based on Joint Learning of Topic Recognition and Named Entity Recognition
Table 1
Analysis and comparison of four classical NER models.
BERT + BiLSTM + CRF
BERT + CRF
BiLSTM + CRF
LSTM + CRF
Accuracy rate
0.4904
0.4904
0.7132
0.7098
Loss value
73349.1 9
73936.48
28270.13
29563.14