中文
相关论文

相关论文: Self-supervised Graph Learning for Long-tailed Cog…

200 篇论文

Sickle Cell Disease (SCD) is a chronic genetic disorder characterized by recurrent acute painful episodes. Opioids are often used to manage these painful episodes; the extent of their use in managing pain in this disorder is an issue of…

人工智能 · 计算机科学 2023-10-11 Swati Padhee , Tanvi Banerjee , Daniel M. Abrams , Nirmish Shah

Stochastic gradient descent (SGD) is commonly used for optimization in large-scale machine learning problems. Langford et al. (2009) introduce a sparse online learning method to induce sparsity via truncated gradient. With high-dimensional…

机器学习 · 统计学 2017-05-10 Yuting Ma , Tian Zheng

Deep learning on graphs has recently achieved remarkable success on a variety of tasks, while such success relies heavily on the massive and carefully labeled data. However, precise annotations are generally very expensive and…

机器学习 · 计算机科学 2021-09-30 Lirong Wu , Haitao Lin , Zhangyang Gao , Cheng Tan , Stan. Z. Li

Automated international classification of diseases (ICD) coding aims to assign multiple disease codes to clinical documents and plays a critical role in healthcare informatics. However, its performance is hindered by the extreme long-tail…

机器学习 · 计算机科学 2026-01-13 Tianlei Chen , Yuxiao Chen , Yang Li , Feifei Wang

Cognitive diagnosis aims to gauge students' mastery levels based on their response logs. Serving as a pivotal module in web-based online intelligent education systems (WOIESs), it plays an upstream and fundamental role in downstream tasks…

人工智能 · 计算机科学 2024-04-18 Shuo Liu , Junhao Shen , Hong Qian , Aimin Zhou

Accurate cell type annotation is a crucial step in analyzing single-cell RNA sequencing (scRNA-seq) data, which provides valuable insights into cellular heterogeneity. However, due to the high dimensionality and prevalence of zero elements…

机器学习 · 计算机科学 2025-08-14 Huifa Li , Jie Fu , Xinlin Zhuang , Haolin Yang , Xinpeng Ling , Tong Cheng , Haochen xue , Imran Razzak , Zhili Chen

Self-supervised learning in the federated learning paradigm has been gaining a lot of interest both in industry and research due to the collaborative learning capability on unlabeled yet isolated data. However, self-supervised based…

机器学习 · 计算机科学 2025-02-05 Sunder Ali Khowaja , Kapal Dev , Syed Muhammad Anwar , Marius George Linguraru

Multi-view representation learning has developed rapidly over the past decades and has been applied in many fields. However, most previous works assumed that each view is complete and aligned. This leads to an inevitable deterioration in…

计算机视觉与模式识别 · 计算机科学 2022-11-10 Yiming Wang , Dongxia Chang , Zhiqiang Fu , Jie Wen , Yao Zhao

Recognition problems in long-tailed data, in which the sample size per class is heavily skewed, have gained importance because the distribution of the sample size per class in a dataset is generally exponential unless the sample size is…

机器学习 · 计算机科学 2024-04-30 Naoya Hasegawa , Issei Sato

Graph anomaly detection aims to identify unusual patterns in graph-based data, with wide applications in fields such as web security and financial fraud detection. Existing methods typically rely on contrastive learning, assuming that a…

机器学习 · 计算机科学 2025-05-26 Di Jin , Jingyi Cao , Xiaobao Wang , Bingdao Feng , Dongxiao He , Longbiao Wang , Jianwu Dang

Novel class discovery (NCD) aims to infer novel categories in an unlabeled dataset by leveraging prior knowledge of a labeled set comprising disjoint but related classes. Given that most existing literature focuses primarily on utilizing…

机器学习 · 计算机科学 2023-06-07 Ziyun Li , Jona Otholt , Ben Dai , Di Hu , Christoph Meinel , Haojin Yang

The recent surge in contrast-based graph self-supervised learning has prominently featured an intensified exploration of spectral cues. Spectral augmentation, which involves modifying a graph's spectral properties such as eigenvalues or…

机器学习 · 计算机科学 2024-12-05 Xiangru Jian , Xinjian Zhao , Wei Pang , Chaolong Ying , Yimu Wang , Yaoyao Xu , Tianshu Yu

The graph with complex annotations is the most potent data type, whose constantly evolving motivates further exploration of the unsupervised dynamic graph representation. One of the representative paradigms is graph contrastive learning. It…

机器学习 · 计算机科学 2024-12-20 Yiming Xu , Bin Shi , Teng Ma , Bo Dong , Haoyi Zhou , Qinghua Zheng

Contrastive learning is a significant paradigm in graph self-supervised learning. However, it requires negative samples to prevent model collapse and learn discriminative representations. These negative samples inevitably lead to heavy…

机器学习 · 计算机科学 2024-08-12 Yunhui Liu , Huaisong Zhang , Tieke He , Tao Zheng , Jianhua Zhao

Graph-based methods have been demonstrated as one of the most effective approaches for semi-supervised learning, as they can exploit the connectivity patterns between labeled and unlabeled data samples to improve learning performance.…

机器学习 · 计算机科学 2019-07-01 Qimai Li , Xiao-Ming Wu , Han Liu , Xiaotong Zhang , Zhichao Guan

Graph neural networks (GNNs) have been widely used in many graph-based tasks such as node classification, link prediction, and node clustering. However, GNNs gain their performance benefits mainly from performing the feature propagation and…

机器学习 · 计算机科学 2021-07-28 Wentao Zhang , Yuezihan Jiang , Yang Li , Zeang Sheng , Yu Shen , Xupeng Miao , Liang Wang , Zhi Yang , Bin Cui

Recent advancements have shown promise in applying traditional Semi-Supervised Learning strategies to the task of Generalized Category Discovery (GCD). Typically, this involves a teacher-student framework in which the teacher imparts…

计算机视觉与模式识别 · 计算机科学 2024-10-28 Haonan Lin , Wenbin An , Jiahao Wang , Yan Chen , Feng Tian , Mengmeng Wang , Guang Dai , Qianying Wang , Jingdong Wang

Query intent classification is an essential module for customers to find desired products on the e-commerce application quickly. Most existing query intent classification methods rely on the users' click behavior as a supervised signal to…

计算与语言 · 计算机科学 2024-08-06 Chunyuan Yuan , Ming Pang , Zheng Fang , Xue Jiang , Changping Peng , Zhangang Lin

It is not uncommon that real-world data are distributed with a long tail. For such data, the learning of deep neural networks becomes challenging because it is hard to classify tail classes correctly. In the literature, several existing…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Mengke Li , Yiu-ming Cheung , Yang Lu , Zhikai Hu , Weichao Lan , Hui Huang

Point cloud processing and 3D shape understanding are very challenging tasks for which deep learning techniques have demonstrated great potentials. Still further progresses are essential to allow artificial intelligent agents to interact…

计算机视觉与模式识别 · 计算机科学 2020-04-17 Antonio Alliegro , Davide Boscaini , Tatiana Tommasi