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OpenMed-NER-ChemicalDetect-BigMed-560M

Identifies chemical compounds and drugs in English biomedical literature

Extract biomedical entitiesDrugs and chemicalsEnglishLarge · 559Mapache-2.0

What it does

This model detects chemical or drug entities in English biomedical literature, including clinical texts and research papers. It is a 559M-parameter XLM-RoBERTa model reporting an F1 score of 0.945 on the BC4CHEMD benchmark.

Best for

  • Drug interaction detection in research papers
  • Medication extraction from clinical notes
  • Literature mining for drug discovery

What it detects (1 labels)

  • Chemical or drug

Quality

Benchmark BC4CHEMD · all models on this benchmark
F10.945
Precision0.938
Recall0.953
Accuracy0.989
SourceReported by the authors (test_results.json in the repository)

Chemical Entity Recognition - Identifies chemical compounds and substances in biomedical literature

Use it

pip install transformers torch

from transformers import pipeline
ner = pipeline("token-classification", model="OpenMed/OpenMed-NER-ChemicalDetect-BigMed-560M", aggregation_strategy="simple")
print(ner("Patient prescribed 10 mg aspirin for hypertension."))
Android, browser, CPU (ONNX) build
pip install --upgrade "openmed[onnx-runtime]"

from openmed import OnnxModel
model = OnnxModel.from_pretrained("OpenMed/OpenMed-NER-ChemicalDetect-BigMed-560M-v1-onnx-android")
for entity in model("The patient started imatinib after the consultation."):
    print(entity.to_dict())
Apple Silicon (MLX) build
pip install "openmed[mlx]"

from openmed import analyze_text
from openmed.core.config import OpenMedConfig
result = analyze_text("Patient started imatinib in March.", model_name="OpenMed/OpenMed-NER-ChemicalDetect-BigMed-560M", config=OpenMedConfig(backend="mlx"))
for e in result.entities:
    print(e.label, e.text)

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