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Tensor factorization has been proved as an efficient unsupervised learning approach for health data analysis, especially for computational phenotyping, where the high-dimensional Electronic Health Records (EHRs) with patients' history of…

机器学习 · 计算机科学 2022-11-04 Jing Ma , Qiuchen Zhang , Jian Lou , Li Xiong , Sivasubramanium Bhavani , Joyce C. Ho

Tensor factorization models offer an effective approach to convert massive electronic health records into meaningful clinical concepts (phenotypes) for data analysis. These models need a large amount of diverse samples to avoid population…

机器学习 · 计算机科学 2017-10-13 Yejin Kim , Jimeng Sun , Hwanjo Yu , Xiaoqian Jiang

Computational phenotyping allows for unsupervised discovery of subgroups of patients as well as corresponding co-occurring medical conditions from electronic health records (EHR). Typically, EHR data contains demographic information,…

机器学习 · 计算机科学 2023-10-18 Florian Becker , Age K. Smilde , Evrim Acar

The increased availability of electronic health records (EHRs) have spearheaded the initiative for precision medicine using data driven approaches. Essential to this effort is the ability to identify patients with certain medical conditions…

Healthcare industries frequently handle sensitive and proprietary data, and due to strict privacy regulations, they are often reluctant to share data directly. In today's context, Federated Learning (FL) stands out as a crucial remedy,…

量子物理 · 物理学 2024-07-08 Amandeep Singh Bhatia , David E. Bernal Neira

Phenotyping electronic health records (EHR) focuses on defining meaningful patient groups (e.g., heart failure group and diabetes group) and identifying the temporal evolution of patients in those groups. Tensor factorization has been an…

Non-negative tensor factorization has been shown a practical solution to automatically discover phenotypes from the electronic health records (EHR) with minimal human supervision. Such methods generally require an input tensor describing…

机器学习 · 计算机科学 2020-11-13 Kejing Yin , William K. Cheung , Benjamin C. M. Fung , Jonathan Poon

Data privacy is an important issue for organizations and enterprises to securely outsource data storage, sharing, and computation on clouds / fogs. However, data encryption is complicated in terms of the key management and distribution;…

密码学与安全 · 计算机科学 2021-01-13 Jenn-Bing Ong , Wee-Keong Ng , Ivan Tjuawinata , Chao Li , Jielin Yang , Sai None Myne , Huaxiong Wang , Kwok-Yan Lam , C. -C. Jay Kuo

Federated learning is an emerging distributed machine learning framework aiming at protecting data privacy. Data heterogeneity is one of the core challenges in federated learning, which could severely degrade the convergence rate and…

机器学习 · 统计学 2025-11-27 Feifei Wang , Huiyun Tang , Yang Li

Machine learning on large-scale genomic or transcriptomic data is important for many novel health applications. For example, precision medicine tailors medical treatments to patients on the basis of individual biomarkers, cellular and…

机器学习 · 计算机科学 2025-05-26 Anika Hannemann , Jan Ewald , Leo Seeger , Erik Buchmann

It has been recently shown that sparse, nonnegative tensor factorization of multi-modal electronic health record data is a promising approach to high-throughput computational phenotyping. However, such approaches typically do not leverage…

机器学习 · 计算机科学 2018-08-09 Jette Henderson , Bradley A. Malin , Joyce C. Ho , Joydeep Ghosh

Protecting sensitive health data while enabling collaborative analysis is a central challenge in healthcare. Traditional machine learning (ML) requires institutions to pool anonymized patient records, centralizing analytical development and…

机器学习 · 计算机科学 2026-05-05 Gaurang Sharma , Juha Pajula , Aada Illikainen , Markus Rautell , Noora Lipsonen , Petri Alhainen , Mika Hilvo

Due to patient privacy protection concerns, machine learning research in healthcare has been undeniably slower and limited than in other application domains. High-quality, realistic, synthetic electronic health records (EHRs) can be…

机器学习 · 计算机科学 2023-02-10 Huan He , Shifan Zhao , Yuanzhe Xi , Joyce C Ho

In many signal processing and machine learning applications, datasets containing private information are held at different locations, requiring the development of distributed privacy-preserving algorithms. Tensor and matrix factorizations…

机器学习 · 统计学 2019-04-23 Hafiz Imtiaz , Anand D. Sarwate

Tensor decomposition is an effective tool for learning multi-way structures and heterogeneous features from high-dimensional data, such as the multi-view images and multichannel electroencephalography (EEG) signals, are often represented by…

机器学习 · 计算机科学 2022-06-29 Wanguang Yin , Youzhi Qu , Zhengming Ma , Quanying Liu

Homomorphic encryption is a very useful gradient protection technique used in privacy preserving federated learning. However, existing encrypted federated learning systems need a trusted third party to generate and distribute key pairs to…

密码学与安全 · 计算机科学 2020-11-26 Hangyu Zhu , Rui Wang , Yaochu Jin , Kaitai Liang , Jianting Ning

Electronic Health Records (EHRs) are rich sources of patient-level data, offering valuable resources for medical data analysis. However, privacy concerns often restrict access to EHRs, hindering downstream analysis. Current EHR…

机器学习 · 计算机科学 2024-12-03 Muhang Tian , Bernie Chen , Allan Guo , Shiyi Jiang , Anru R. Zhang

Background: The increasing adoption of electronic health records (EHR) across the US has created troves of computable data, to which machine learning methods have been applied to extract useful insights. EHR data, represented as a…

机器学习 · 计算机科学 2021-12-28 Francisco Y Cai , Chengsheng Mao , Yuan Luo

Decentralized learning is an efficient emerging paradigm for boosting the computing capability of multiple bounded computing agents. In the big data era, performing inference within the distributed and federated learning (DL and FL)…

多智能体系统 · 计算机科学 2022-05-11 Mohamed Ridha Znaidi , Gaurav Gupta , Paul Bogdan

We propose a privacy-aware hybrid framework for federated medical image classification that combines tensor-network representation learning, MPC-secured aggregation, and post-aggregation quantum refinement. The framework is motivated by two…

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