Electronic medical record text named entity recognition method based on pre-trained language model
A named entity recognition and language model technology, applied in the field of medical information data processing, can solve the problems of limited accuracy and recall rate, cumbersome and complicated problems, and achieve the effect of convenient investigation, comprehensive key information, and good semantic compression effect
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[0031] This embodiment provides a method for named entity recognition of electronic medical record text based on a pre-trained language model, such as figure 1 shown, including the following steps:
[0032] Step 1, collect the electronic medical record text from the public data set as the original text, and perform data preprocessing on the original text;
[0033] Specifically, in this embodiment, the corpus used in the original text comes from the electronic medical record text collected in the public data set, the words appearing in all the original text in the statistical data set, and remove stop words, irrelevant symbols, etc., to generate a dictionary document.
[0034] Step 2: Based on the standardized medical terminology, perform entity annotation on the original text preprocessed in step 1 to obtain the annotated text;
[0035] Specifically, based on the SNOMED CT medical terminology set and using the BIO annotation mode, the corpus in the original text preprocessed...
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