Suhan Cui


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Hierarchical Pretraining on Multimodal Electronic Health Records
Xiaochen Wang | Junyu Luo | Jiaqi Wang | Ziyi Yin | Suhan Cui | Yuan Zhong | Yaqing Wang | Fenglong Ma
Proceedings of the 2023 Conference on Empirical Methods in Natural Language Processing

Pretraining has proven to be a powerful technique in natural language processing (NLP), exhibiting remarkable success in various NLP downstream tasks. However, in the medical domain, existing pretrained models on electronic health records (EHR) fail to capture the hierarchical nature of EHR data, limiting their generalization capability across diverse downstream tasks using a single pretrained model. To tackle this challenge, this paper introduces a novel, general, and unified pretraining framework called MedHMP, specifically designed for hierarchically multimodal EHR data. The effectiveness of the proposed MedHMP is demonstrated through experimental results on eight downstream tasks spanning three levels. Comparisons against eighteen baselines further highlight the efficacy of our approach.