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Despite the remarkable progress in the development of predictive models for healthcare, applying these algorithms on a large scale has been challenging. Algorithms trained on a particular task, based on specific data formats available in a…

Machine Learning · Computer Science 2023-11-16 Kyunghoon Hur , Jungwoo Oh , Junu Kim , Jiyoun Kim , Min Jae Lee , Eunbyeol Cho , Seong-Eun Moon , Young-Hak Kim , Louis Atallah , Edward Choi

Unsupervised pretraining, which learns a useful representation using a large amount of unlabeled data to facilitate the learning of downstream tasks, is a critical component of modern large-scale machine learning systems. Despite its…

Machine Learning · Statistics 2023-03-06 Jiawei Ge , Shange Tang , Jianqing Fan , Chi Jin

Multi-task learning (MTL) is a machine learning technique aiming to improve model performance by leveraging information across many tasks. It has been used extensively on various data modalities, including electronic health record (EHR)…

Machine Learning · Computer Science 2020-07-21 Matthew B. A. McDermott , Bret Nestor , Evan Kim , Wancong Zhang , Anna Goldenberg , Peter Szolovits , Marzyeh Ghassemi

The difficulties in both data acquisition and annotation substantially restrict the sample sizes of training datasets for 3D medical imaging applications. As a result, constructing high-performance 3D convolutional neural networks from…

Image and Video Processing · Electrical Eng. & Systems 2022-01-06 Shu Zhang , Zihao Li , Hong-Yu Zhou , Jiechao Ma , Yizhou Yu

Electronic health records (EHRs) are rich clinical data sources but complex repositories of patient data, spanning structured elements (demographics, vitals, lab results, codes), unstructured clinical notes and other modalities of data.…

Artificial Intelligence · Computer Science 2025-08-25 Sonish Sivarajkumar , Hang Zhang , Yuelyu Ji , Maneesh Bilalpur , Xizhi Wu , Chenyu Li , Min Gu Kwak , Shyam Visweswaran , Yanshan Wang

Large-scale pretraining has transformed modeling of language and other data types, but its potential remains underexplored in healthcare with structured electronic health records (EHRs). We present a novel generative pretraining strategy…

Clinical language models have achieved strong performance on downstream tasks by pretraining on domain specific corpora such as discharge summaries and medical notes. However, most approaches treat the electronic health record as a static…

Computation and Language · Computer Science 2025-04-28 Tatsunori Tanaka , Fi Zheng , Kai Sato , Zhifeng Li , Yuanyun Zhang , Shi Li

Unstructured Electronic Health Record (EHR) data, such as clinical notes, contain clinical contextual observations that are not directly reflected in structured data fields. This additional information can substantially improve model…

Machine Learning · Computer Science 2026-03-25 Zigui Wang , Minghui Sun , Jiang Shu , Matthew M. Engelhard , Lauren Franz , Benjamin A. Goldstein

Clinical predictive models often rely on patients' electronic health records (EHR), but integrating medical knowledge to enhance predictions and decision-making is challenging. This is because personalized predictions require personalized…

Artificial Intelligence · Computer Science 2024-01-19 Pengcheng Jiang , Cao Xiao , Adam Cross , Jimeng Sun

The principal benefit of unsupervised representation learning is that a pre-trained model can be fine-tuned where data or labels are scarce. Existing approaches for graph representation learning are domain specific, maintaining consistent…

Machine Learning · Computer Science 2024-12-03 Alex O. Davies , Riku W. Green , Nirav S. Ajmeri , Telmo M. Silva Filho

We propose to meta-learn an a self-supervised patient trajectory forecast learning rule by meta-training on a meta-objective that directly optimizes the utility of the patient representation over the subsequent clinical outcome prediction.…

Machine Learning · Computer Science 2024-07-30 Yuan Xue , Nan Du , Anne Mottram , Martin Seneviratne , Andrew M. Dai

Healthcare is becoming a more and more important research topic recently. With the growing data in the healthcare domain, it offers a great opportunity for deep learning to improve the quality of medical service. However, the complexity of…

Computation and Language · Computer Science 2021-11-01 Bo Yang , Lijun Wu

Recent breakthroughs in self-supervised learning have enabled the use of large unlabeled datasets to train visual foundation models that can generalize to a variety of downstream tasks. While this training paradigm is well suited for the…

The widespread digitization of patient data via electronic health records (EHRs) has created an unprecedented opportunity to use machine learning algorithms to better predict disease risk at the patient level. Although predictive models…

Electronic health records (EHR) often contain different rates of representation of certain subpopulations (SP). Factors like patient demographics, clinical condition prevalence, and medical center type contribute to this…

Machine Learning · Computer Science 2024-03-12 Oriel Perets , Nadav Rappoport

Longitudinal data in electronic health records (EHRs) represent an individual`s clinical history through a sequence of codified concepts, including diagnoses, procedures, medications, and laboratory tests. Generative pre-trained…

Owing to the remarkable capability of extracting effective graph embeddings, graph convolutional network (GCN) and its variants have been successfully applied to a broad range of tasks, such as node classification, link prediction, and…

Machine Learning · Computer Science 2021-07-13 Ronghang Zhu , Zhiqiang Tao , Yaliang Li , Sheng Li

Discovering distinct features and their relations from data can help us uncover valuable knowledge crucial for various tasks, e.g., classification. In neuroimaging, these features could help to understand, classify, and possibly prevent…

Machine Learning · Computer Science 2022-02-15 Usman Mahmood , Zening Fu , Vince Calhoun , Sergey Plis

Foundation models hold promise for transforming AI in healthcare by providing modular components that are easily adaptable to downstream healthcare tasks, making AI development more scalable and cost-effective. Structured EHR foundation…

In this paper, we present our approach to extracting structured information from unstructured Electronic Health Records (EHR) [2] which can be used to, for example, study adverse drug reactions in patients due to chemicals in their…

Computation and Language · Computer Science 2020-01-30 Amogh Kamat Tarcar , Aashis Tiwari , Vineet Naique Dhaimodker , Penjo Rebelo , Rahul Desai , Dattaraj Rao