BERN2: an advanced neural biomedical named entity recognition and normalization tool

6 Jan 2022  ·  Mujeen Sung, Minbyul Jeong, Yonghwa Choi, Donghyeon Kim, Jinhyuk Lee, Jaewoo Kang ·

In biomedical natural language processing, named entity recognition (NER) and named entity normalization (NEN) are key tasks that enable the automatic extraction of biomedical entities (e.g. diseases and drugs) from the ever-growing biomedical literature. In this article, we present BERN2 (Advanced Biomedical Entity Recognition and Normalization), a tool that improves the previous neural network-based NER tool by employing a multi-task NER model and neural network-based NEN models to achieve much faster and more accurate inference. We hope that our tool can help annotate large-scale biomedical texts for various tasks such as biomedical knowledge graph construction.

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Task Dataset Model Metric Name Metric Value Global Rank Result Benchmark
Named Entity Recognition (NER) BC2GM BERN2 F1 83.7 # 11
Named Entity Recognition (NER) BC4CHEMD BERN2 F1 92.8 # 3
Named Entity Recognition (NER) LINNAEUS BERN2 F1 92.7 # 6
Named Entity Recognition (NER) NCBI-disease BERN2 F1 88.6 # 11

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