BERT based clinical knowledge extraction for biomedical knowledge graph construction and analysis

نویسندگان

چکیده

Background : Knowledge is evolving over time, often as a result of new discoveries or changes in the adopted methods reasoning. Also, facts evidence may become available, leading to understandings complex phenomena. This particularly true biomedical field, where scientists and physicians are constantly striving find diagnosis, treatment eventually cure. Graphs (KGs) offer real way organizing retrieving massive growing amount knowledge. Objective We propose an end-to-end approach for knowledge extraction analysis from clinical notes using Bidirectional Encoder Representations Transformers (BERT) model Conditional Random Field (CRF) layer. Methods The based on graphs, which can effectively process abstract concepts such relationships interactions between medical entities. Besides offering intuitive visualize these concepts, KGs solve more retrieval problems by simplifying them into simpler representations transforming different perspectives. created Graph Natural Language Processing models named entity recognition relation extraction. generated graphs then used question answering. Results proposed framework successfully extract relevant structured information with high accuracy (90.7% Named-entity (NER), 88% (RE)), according experimental findings real-world 505 patient unstructured notes. Conclusions In this paper, we novel system construction graph textual variation BERT models.

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ژورنال

عنوان ژورنال: Computer methods and programs in biomedicine update

سال: 2021

ISSN: ['2666-9900']

DOI: https://doi.org/10.1016/j.cmpbup.2021.100042