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International Journal of Advanced Computer Science and Applications(IJACSA), Volume 14 Issue 3, 2023.
Abstract: Named entity recognition (NER) in biological sources, also called medical named entity recognition (MNER), attempts to identify and categorize medical terminology in electronic records. Deep neural networks have recently demonstrated substantial effectiveness in MNER. However, Chinese MNER has issues that cannot use lexical information and involve nested entities. To address these problems, we propose a model which can handle both nested and non-nested entities. The model uses a simple lexical enhancement method for merging lexical information into each character's vector representation, and then uses the Global Pointer approach for entity recognition. Furthermore, we retrain a pre-trained model with a Chinese medical corpus to incorporate medical knowledge, resulting in F1 score of 68.13% on the nested dataset CMeEE, 95.56% on the non-nested dataset CCKS2017, 85.89% on CCKS2019, and 92.08% on CCKS2020. These data demonstrate the efficacy of our proposed model.
Pu Zhang and Wentao Liang, “Medical Name Entity Recognition Based on Lexical Enhancement and Global Pointer” International Journal of Advanced Computer Science and Applications(IJACSA), 14(3), 2023. http://dx.doi.org/10.14569/IJACSA.2023.0140369
@article{Zhang2023,
title = {Medical Name Entity Recognition Based on Lexical Enhancement and Global Pointer},
journal = {International Journal of Advanced Computer Science and Applications},
doi = {10.14569/IJACSA.2023.0140369},
url = {http://dx.doi.org/10.14569/IJACSA.2023.0140369},
year = {2023},
publisher = {The Science and Information Organization},
volume = {14},
number = {3},
author = {Pu Zhang and Wentao Liang}
}
Copyright Statement: This is an open access article licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, even commercially as long as the original work is properly cited.