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Generating synthetic Electronic Health Records (EHRs) offers significant potential for data augmentation, privacy-preserving data sharing, and improving machine learning model training. We propose a novel tokenization strategy tailored for…

机器学习 · 计算机科学 2024-11-21 Hojjat Karami , David Atienza , Anisoara Ionescu

The Hawkes process (HP) is commonly used to model event sequences with self-reinforcing dynamics, including electronic health records (EHRs). Traditional HPs capture self-reinforcement via parametric impact functions that can be inspected…

机器学习 · 统计学 2025-10-23 Yuankang Zhao , Matthew Engelhard

Self-supervised learning has been a powerful training paradigm to facilitate representation learning. In this study, we design a masked autoencoder (MAE) to guide deep learning models to learn electroencephalography (EEG) signal…

人机交互 · 计算机科学 2024-09-04 Yifei Zhou , Sitong Liu

This work investigates multiple approaches to Named Entity Recognition (NER) for text in Electronic Health Record (EHR) data. In particular, we look into the application of (i) rule-based, (ii) deep learning and (iii) transfer learning…

Predicting the incidence of complex chronic conditions such as heart failure is challenging. Deep learning models applied to rich electronic health records may improve prediction but remain unexplainable hampering their wider use in medical…

Electroencephalography (EEG) reflects the brain's functional state, making it a crucial tool for diverse detection applications like seizure detection and sleep stage classification. While deep learning-based approaches have recently shown…

机器学习 · 计算机科学 2025-10-07 Kerui Wu , Ziyue Zhao , Bülent Yener

Electronic health records (EHR) are irregular, asynchronous multivariate time series. As time-series foundation models increasingly tokenize events rather than discretizing time, the input layout becomes a key design choice. Grids expose…

机器学习 · 计算机科学 2026-03-13 Joohyung Lee , Kwanhyung Lee , Changhun Kim , Eunho Yang

In this work, we introduce the Multiple Embedding Model for EHR (MEME), an approach that serializes multimodal EHR tabular data into text using pseudo-notes, mimicking clinical text generation. This conversion not only preserves better…

计算与语言 · 计算机科学 2025-07-08 Simon A. Lee , Sujay Jain , Alex Chen , Kyoka Ono , Jennifer Fang , Akos Rudas , Jeffrey N. Chiang

In longitudinal electronic health records (EHRs), the event records of a patient are distributed over a long period of time and the temporal relations between the events reflect sufficient domain knowledge to benefit prediction tasks such…

计算与语言 · 计算机科学 2020-06-16 Xueping Peng , Guodong Long , Tao Shen , Sen Wang , Jing Jiang , Michael Blumenstein

Clinical decision support tools built on electronic health records often experience performance drift due to temporal population shifts, particularly when changes in the clinical environment initially affect only a subset of patients,…

机器学习 · 计算机科学 2025-12-16 Mengying Yan , Ziye Tian , Siqi Li , Nan Liu , Benjamin A. Goldstein , Molei Liu , Chuan Hong

Event argument extraction (EAE) is an important task for information extraction to discover specific argument roles. In this study, we cast EAE as a question-based cloze task and empirically analyze fixed discrete token template…

计算与语言 · 计算机科学 2023-01-26 Hongbin Ye , Ningyu Zhang , Zhen Bi , Shumin Deng , Chuanqi Tan , Hui Chen , Fei Huang , Huajun Chen

Electroencephalography (EEG) serves as an essential diagnostic tool in neurology; however, its accurate manual interpretation is a time-intensive process that demands highly specialized expertise, which remains relatively scarce and not…

定量方法 · 定量生物学 2025-03-14 Ruggero G. Bettinardi , Mohamed Rahmouni , Ulysse Gimenez

We introduce and compare several strategies for learning discriminative features from electroencephalography (EEG) recordings using deep learning techniques. EEG data are generally only available in small quantities, they are…

神经与进化计算 · 计算机科学 2016-01-08 Sebastian Stober , Avital Sternin , Adrian M. Owen , Jessica A. Grahn

Reasoning in a temporal knowledge graph (TKG) is a critical task for information retrieval and semantic search. It is particularly challenging when the TKG is updated frequently. The model has to adapt to changes in the TKG for efficient…

人工智能 · 计算机科学 2021-05-11 Jiapeng Wu , Yishi Xu , Yingxue Zhang , Chen Ma , Mark Coates , Jackie Chi Kit Cheung

Electronic health records (EHRs) contain patients' heterogeneous data that are collected from medical providers involved in the patient's care, including medical notes, clinical events, laboratory test results, symptoms, and diagnoses. In…

人工智能 · 计算机科学 2024-11-12 Shuai Niu , Yunya Song , Qing Yin , Yike Guo , Xian Yang

Rich Electronic Health Records (EHR), have created opportunities to improve clinical processes using machine learning methods. Prediction of the same patient events at different time horizons can have very different applications and…

机器学习 · 计算机科学 2023-03-07 Hao Liu , Muhan Zhang , Zehao Dong , Lecheng Kong , Yixin Chen , Bradley Fritz , Dacheng Tao , Christopher King

EHR audit logs are a highly granular stream of events that capture clinician activities, and is a significant area of interest for research in characterizing clinician workflow on the electronic health record (EHR). Existing techniques to…

计算与语言 · 计算机科学 2023-11-28 Benjamin C. Warner , Thomas Kannampallil , Seunghwan Kim

Massive electronic health records (EHRs) enable the success of learning accurate patient representations to support various predictive health applications. In contrast, doctor representation was not well studied despite that doctors play…

机器学习 · 计算机科学 2019-11-26 Siddharth Biswal , Cao Xiao , Lucas M. Glass , Elizabeth Milkovits , Jimeng Sun

Motivation: Electronic health record (EHR) data provides a new venue to elucidate disease comorbidities and latent phenotypes for precision medicine. To fully exploit its potential, a realistic data generative process of the EHR data needs…

Accuracy and interpretability are two dominant features of successful predictive models. Typically, a choice must be made in favor of complex black box models such as recurrent neural networks (RNN) for accuracy versus less accurate but…

机器学习 · 计算机科学 2017-02-28 Edward Choi , Mohammad Taha Bahadori , Joshua A. Kulas , Andy Schuetz , Walter F. Stewart , Jimeng Sun