External biomedical NER benchmark performance Horizontal grouped bars show relaxed normalized-mention precision, recall, and F1 on BC2GM, NCBI-disease, and BC5CDR-disease test sets. External benchmark transfer Relaxed normalized-mention matching ยท test splits Precision Recall F1 0.00.20.4 0.60.81.0 Score BC2GMgene NCBI-diseasedisease BC5CDRdisease 0.9160.7290.812 0.9090.7710.834 0.8730.8960.884