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Three-Branch BERT-Based Text Classification Network for Gastroscopy Diagnosis Text

Zhichao Wang^{¹^,²}, Xiangwei Zheng^{¹^,²}(), Jinsong Zhang^{¹^,²}, Mingzhe Zhang^{¹^,²}()

1School of Information Science and Engineering, Shandong Normal University, Jinan 250358, China

2State Key Laboratory of High-end Server & Storage Technology, Jinan 250013, China

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Abstract

During a hospital visit, a significant volume of Gastroscopy Diagnostic Text (GDT) data are produced, representing the unstructured gastric medical records of patients undergoing gastroscopy. As such, GDTs play a crucial role in evaluating the patient’s health, shaping treatment plans, and scheduling follow-up visits. However, given the free-text nature of GDTs, which lack a formal structure, physicians often find it challenging to extract meaningful insights from them. Furthermore, while deep learning has made significant strides in the medical domain, to our knowledge, there are not any readily available text-based pre-trained models tailored for GDT classification and analysis. To address this gap, we introduce a Bidirectional Encoder Representations from Transformers (BERT) based three-branch classification network tailored for GDTs. We leverage the robust representation capabilities of the BERT pre-trained model to deeply encode the texts. A unique three-branch decoder structure is employed to pinpoint lesion sites and determine cancer stages. Experimental outcomes validate the efficacy of our approach in GDT classification, with a precision of 0.993 and a recall of 0.784 in the early cancer category. In pinpointing cancer lesion sites, the weighted F1 score achieved was 0.849.

Keywords

gastroscopy diagnostic text Bidirectional Encoder Representations from Transformers (BERT)text classification

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International Journal of Crowd Science

Volume 8 Issue 1,
February 2024

Pages 56-63

DOI: 10.26599/IJCS.2023.9100031

Cite this article:

Wang Z, Zheng X, Zhang J, et al. Three-Branch BERT-Based Text Classification Network for Gastroscopy Diagnosis Text. International Journal of Crowd Science, 2024, 8(1): 56-63. https://doi.org/10.26599/IJCS.2023.9100031