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Objective: To transform heterogeneous clinical data from electronic health records into clinically meaningful constructed features using data driven method that rely, in part, on temporal relations among data. Materials and Methods: The…

Machine Learning · Computer Science 2017-06-22 Edward Choi , Andy Schuetz , Walter F. Stewart , Jimeng Sun

Learning expressive low-dimensional representations of ultrahigh-dimensional data, e.g., data with thousands/millions of features, has been a major way to enable learning methods to address the curse of dimensionality. However, existing…

Machine Learning · Computer Science 2018-06-14 Guansong Pang , Longbing Cao , Ling Chen , Huan Liu

Heterogeneous sequential recommendation (HSR) aims to learn dynamic behavior dependencies from the diverse behaviors of user-item interactions to facilitate precise sequential recommendation. Despite many efforts yielding promising…

Information Retrieval · Computer Science 2026-04-17 Jing Xiao , Dongqi Wu , Liwei Pan , Yawen Luo , Weike Pan , Zhong Ming

In this paper, we propose SmartFreeze, a framework that effectively reduces the memory footprint by conducting the training in a progressive manner. Instead of updating the full model in each training round, SmartFreeze divides the shared…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-08-20 Wu Yebo , Li Li , Tian Chunlin , Chang Tao , Lin Chi , Wang Cong , Xu Cheng-Zhong

Medical imaging datasets often contain heterogeneous biases ranging from erroneous labels to inconsistent labeling styles. Such biases can negatively impact deep segmentation networks performance. Yet, the identification and…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Samuel Joutard , Marijn Stollenga , Marc Balle Sanchez , Mohammad Farid Azampour , Raphael Prevost

Hypergraph can capture complex and higher-order dependencies among learners and learning resources in personalized educational recommender systems. Many existing hypergraph-based recommendation approaches underexplored the dynamic…

Information Retrieval · Computer Science 2026-03-17 Tao Xie , Yan Li , Yongpan Sheng , Jian Liao

Survival analysis studies time-modeling techniques for an event of interest occurring for a population. Survival analysis found widespread applications in healthcare, engineering, and social sciences. However, the data needed to train…

Machine Learning · Computer Science 2023-02-22 Alberto Archetti , Eugenio Lomurno , Francesco Lattari , André Martin , Matteo Matteucci

With the rapid digitalization of healthcare systems, there has been a substantial increase in the generation and sharing of private health data. Safeguarding patient information is essential for maintaining consumer trust and ensuring…

Artificial Intelligence · Computer Science 2026-01-27 Yazan Otoum , Amiya Nayak

Heart disease continues to pose a critical worldwide health issue, more specifically in areas with insufficient access to healthcare infrastructure and diagnostic systems. Conventional diagnostic approaches often fall short in accurately…

The complex nature of real-world problems calls for heterogeneity in both machine learning (ML) models and hardware systems. The heterogeneity in ML models comes from multi-sensor perceiving and multi-task learning, i.e., multi-modality…

Machine Learning · Computer Science 2022-05-02 Xinyi Zhang , Cong Hao , Peipei Zhou , Alex Jones , Jingtong Hu

Recently, federated learning has emerged as a promising approach for training a global model using data from multiple organizations without leaking their raw data. Nevertheless, directly applying federated learning to real-world tasks faces…

Machine Learning · Computer Science 2022-04-19 Bingzhe Wu , Zhipeng Liang , Yuxuan Han , Yatao Bian , Peilin Zhao , Junzhou Huang

Time series forecasting plays a critical role in various real-world applications, including energy consumption prediction, disease transmission monitoring, and weather forecasting. Although substantial progress has been made in time series…

Machine Learning · Computer Science 2024-11-26 Wei Yuan , Guanhua Ye , Xiangyu Zhao , Quoc Viet Hung Nguyen , Yang Cao , Hongzhi Yin

One challenging property lurking in medical datasets is the imbalanced data distribution, where the frequency of the samples between the different classes is not balanced. Training a model on an imbalanced dataset can introduce unique…

Image and Video Processing · Electrical Eng. & Systems 2022-04-06 Ashkan Khakzar , Yawei Li , Yang Zhang , Mirac Sanisoglu , Seong Tae Kim , Mina Rezaei , Bernd Bischl , Nassir Navab

As technology scaling is approaching the physical limit, lithography hotspot detection has become an essential task in design for manufacturability. While the deployment of pattern matching or machine learning in hotspot detection can help…

Machine Learning · Computer Science 2021-08-02 Xuezhong Lin , Jingyu Pan , Jinming Xu , Yiran Chen , Cheng Zhuo

Federated learning is a privacy-preserving machine learning technique that learns a shared model across decentralized clients. It can alleviate privacy concerns of personal re-identification, an important computer vision task. In this work,…

Computer Vision and Pattern Recognition · Computer Science 2020-10-12 Weiming Zhuang , Yonggang Wen , Xuesen Zhang , Xin Gan , Daiying Yin , Dongzhan Zhou , Shuai Zhang , Shuai Yi

In the realm of healthcare where decentralized facilities are prevalent, machine learning faces two major challenges concerning the protection of data and models. The data-level challenge concerns the data privacy leakage when centralizing…

Machine Learning · Computer Science 2024-07-08 Yukai Xu , Jingfeng Zhang , Yujie Gu

Data unlearning aims to remove the influence of specific training samples from a trained model without requiring full retraining. Unlike concept unlearning, data unlearning in diffusion models remains underexplored and often suffers from…

Machine Learning · Computer Science 2025-10-22 Jinseong Park , Mijung Park

The amount of high-dimensional large-scale RNA sequencing data derived from multiple heterogeneous sources has increased exponentially in biological science. During data collection, significant technical noise or errors may occur. To…

Applications · Statistics 2025-06-24 Xiaolu Jiang , Wei Liu

Successful modeling of degradation performance data is essential for accurate reliability assessment and failure predictions of highly reliable product units. The degradation performance measurements over time are highly heterogeneous. Such…

Applications · Statistics 2021-08-17 Xuxue Sun , Wenjun Cai , Qiong Zhang , Mingyang Li

Surrogate markers are most commonly studied within the context of randomized clinical trials. However, the need for alternative outcomes extends beyond these settings and may be more pronounced in real-world public health and social science…

Methodology · Statistics 2025-04-23 Rebecca Knowlton , Layla Parast