English
Related papers

Related papers: Few-Shot Electronic Health Record Coding through G…

200 papers

Graph contrastive learning (GCL) has emerged as a representative graph self-supervised method, achieving significant success. The currently prevalent optimization objective for GCL is InfoNCE. Typically, it employs augmentation techniques…

Machine Learning · Computer Science 2024-03-22 Yulan Hu , Sheng Ouyang , Jingyu Liu , Ge Chen , Zhirui Yang , Junchen Wan , Fuzheng Zhang , Zhongyuan Wang , Yong Liu

Contrastive learning (CL) has become a dominant paradigm for self-supervised hypergraph learning, enabling effective training without costly labels. However, node entities in real-world hypergraphs are often associated with rich textual…

Machine Learning · Computer Science 2026-05-26 Mengting Pan , Fan Li , Chen Chen , Xiaoyang Wang , Wenjie Zhang

The goal of few-shot classification is to classify new categories with few labeled examples within each class. Nowadays, the excellent performance in handling few-shot classification problems is shown by metric-based meta-learning methods.…

Computer Vision and Pattern Recognition · Computer Science 2021-08-02 Xu Luo , Yuxuan Chen , Liangjian Wen , Lili Pan , Zenglin Xu

Substantial increase in the use of Electronic Health Records (EHRs) has opened new frontiers for predictive healthcare. However, while EHR systems are nearly ubiquitous, they lack a unified code system for representing medical concepts.…

Machine Learning · Computer Science 2022-03-21 Kyunghoon Hur , Jiyoung Lee , Jungwoo Oh , Wesley Price , Young-Hak Kim , Edward Choi

Contrastive learning is an effective unsupervised method in graph representation learning. Recently, the data augmentation based contrastive learning method has been extended from images to graphs. However, most prior works are directly…

Machine Learning · Computer Science 2023-12-19 Shengyu Feng , Baoyu Jing , Yada Zhu , Hanghang Tong

The combination of semi-supervised learning (SemiSL) and contrastive learning (CL) has been successful in medical image segmentation with limited annotations. However, these works often rely on pretext tasks that lack the specificity…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Zehua Cheng , Di Yuan , Thomas Lukasiewicz

Graph contrastive learning (GCL) has become a powerful tool for learning graph data, but its scalability remains a significant challenge. In this work, we propose a simple yet effective training framework called Structural Compression…

Machine Learning · Computer Science 2024-05-10 Shengzhong Zhang , Wenjie Yang , Xinyuan Cao , Hongwei Zhang , Zengfeng Huang

Electronic Health Record (EHR) datasets from Intensive Care Units (ICU) contain a diverse set of data modalities. While prior works have successfully leveraged multiple modalities in supervised settings, we apply advanced self-supervised…

Machine Learning · Computer Science 2024-03-28 Fabian Baldenweg , Manuel Burger , Gunnar Rätsch , Rita Kuznetsova

Hierarchical text classification is a challenging subtask of multi-label classification due to its complex label hierarchy. Existing methods encode text and label hierarchy separately and mix their representations for classification, where…

Computation and Language · Computer Science 2022-03-24 Zihan Wang , Peiyi Wang , Lianzhe Huang , Xin Sun , Houfeng Wang

Graph contrastive learning (GCL), as a popular approach to graph self-supervised learning, has recently achieved a non-negligible effect. To achieve superior performance, the majority of existing GCL methods elaborate on graph data…

Machine Learning · Computer Science 2022-05-03 Yuansheng Wang , Wangbin Sun , Kun Xu , Zulun Zhu , Liang Chen , Zibin Zheng

Arrhythmias are a major cause of sudden cardiac death in children, making automated rhythm classification from electrocardiograms (ECGs) clinically important. However, pediatric arrhythmia analysis remains challenging because of…

Signal Processing · Electrical Eng. & Systems 2026-03-31 Yiqiao Chen , Zijian Huang , Zhenghui Feng

Cross-domain few-shot medical image segmentation (CD-FSMIS) offers a promising and data-efficient solution for medical applications where annotations are severely scarce and multimodal analysis is required. However, existing methods…

Computer Vision and Pattern Recognition · Computer Science 2025-12-29 Yuntian Bo , Tao Zhou , Zechao Li , Haofeng Zhang , Ling Shao

Electronic health record (EHR) data are becoming an increasingly common data source for understanding clinical risk of acute events. While their longitudinal nature presents opportunities to observe changing risk over time, these analyses…

Graph contrastive learning (GCL) has been widely used as an effective self-supervised learning method for graph representation learning. However, how to apply adequate and stable graph augmentation to generating proper views for contrastive…

Machine Learning · Computer Science 2025-01-09 Yanchen Xu , Siqi Huang , Hongyuan Zhang , Xuelong Li

Electronic Medical Records (EHR) are extremely sparse. Only a small proportion of events (symptoms, diagnoses, and treatments) are observed in the lifetime of an individual. The high degree of missingness of EHR can be attributed to a large…

Artificial Intelligence · Computer Science 2021-11-18 Ramon Vinas , Xu Zheng , Jer Hayes

Isolated Sign Language Recognition (ISLR) is critical for bridging the communication gap between the Deaf and Hard-of-Hearing (DHH) community and the hearing world. However, robust ISLR is fundamentally constrained by data scarcity and the…

Computer Vision and Pattern Recognition · Computer Science 2025-12-12 Meher Md Saad

Graph contrastive learning (GCL) aims to learn representations from unlabeled graph data in a self-supervised manner and has developed rapidly in recent years. However, edgelevel contrasts are not well explored by most existing GCL methods.…

Machine Learning · Computer Science 2024-12-17 Yujun Li , Hongyuan Zhang , Yuan Yuan

Graph-level representations are critical in various real-world applications, such as predicting the properties of molecules. But in practice, precise graph annotations are generally very expensive and time-consuming. To address this issue,…

Machine Learning · Computer Science 2022-07-26 Shuai Lin , Pan Zhou , Zi-Yuan Hu , Shuojia Wang , Ruihui Zhao , Yefeng Zheng , Liang Lin , Eric Xing , Xiaodan Liang

Objective: Electrocardiograms (ECGs) play a crucial role in diagnosing heart conditions; however, the effectiveness of artificial intelligence (AI)-based ECG analysis is often hindered by the limited availability of labeled data.…

Few-shot learning on heterogeneous graphs (FLHG) is attracting more attention from both academia and industry because prevailing studies on heterogeneous graphs often suffer from label sparsity. FLHG aims to tackle the performance…

Machine Learning · Computer Science 2024-03-22 Pengfei Ding , Yan Wang , Guanfeng Liu
‹ Prev 1 4 5 6 7 8 10 Next ›