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Multi-view subspace clustering (MSC) is a popular unsupervised method by integrating heterogeneous information to reveal the intrinsic clustering structure hidden across views. Usually, MSC methods use graphs (or affinity matrices) fusion…

机器学习 · 计算机科学 2023-08-15 Yidi Wang , Xiaobing Pei , Haoxi Zhan

Resting-state functional magnetic resonance imaging (rs-fMRI) offers valuable insights into the human brain's functional organization and is a powerful tool for investigating the relationship between brain function and cognitive processes,…

机器学习 · 计算机科学 2025-02-10 Bishal Thapaliya , Esra Akbas , Ram Sapkota , Bhaskar Ray , Vince Calhoun , Jingyu Liu

Heterogeneous graph neural networks (HGNNs) have demonstrated strong capability in modeling complex semantics across multi-type nodes and relations. However, their scalability to large-scale graphs remains challenging due to structural…

机器学习 · 计算机科学 2025-12-12 Fuyan Ou , Siqi Ai , Yulin Hu

Graph clustering, a classical task in graph learning, involves partitioning the nodes of a graph into distinct clusters. This task has applications in various real-world scenarios, such as anomaly detection, social network analysis, and…

机器学习 · 计算机科学 2024-08-09 Xiaoyang Ji , Yuchen Zhou , Haofu Yang , Shiyue Xu , Jiahao Li

In recent years, Convolutional Neural Network (CNN) based trackers have achieved state-of-the-art performance on multiple benchmark datasets. Most of these trackers train a binary classifier to distinguish the target from its background.…

计算机视觉与模式识别 · 计算机科学 2020-11-10 Lijian Lin , Haosheng Chen , Yanjie Liang , Yan Yan , Hanzi Wang

Self-supervised hyperspectral image (HSI) clustering remains a fundamental yet challenging task due to the absence of labeled data and the inherent complexity of spatial-spectral interactions. While recent advancements have explored…

图像与视频处理 · 电气工程与系统科学 2025-02-10 Yao Ding , Zhili Zhang , Aitao Yang , Yaoming Cai , Xiongwu Xiao , Danfeng Hong , Junsong Yuan

Single-cell transcriptomics techniques, such as scRNA-seq, attempt to characterize gene expression profiles in each cell of a heterogeneous sample individually. Due to growing amounts of data generated and the increasing complexity of the…

基因组学 · 定量生物学 2023-05-02 Laura Puente-Santamaría , Luis del Peso

Gene regulatory network (GRN) refers to the complex network formed by regulatory interactions between genes in living cells. In this paper, we consider inferring GRNs in single cells based on single cell RNA sequencing (scRNA-seq) data. In…

分子网络 · 定量生物学 2022-05-24 Junjie Tang , Changhu Wang , Feiyi Xiao , Ruibin Xi

Motivation: Single-cell RNA sequencing (scRNA-seq) is a groundbreaking technology extensively utilized in biological research, facilitating the examination of gene expression at the individual cell level within a given tissue sample. While…

机器学习 · 计算机科学 2024-04-10 Shengze Dong , Zhuorui Cui , Ding Liu , Jinzhi Lei

Single-cell RNA-sequencing (scRNA-seq) stands as a powerful tool for deciphering cellular heterogeneity and exploring gene expression profiles at high resolution. However, its high cost renders it impractical for extensive sample cohorts…

Unsupervised clustering algorithms for vectors has been widely used in the area of machine learning. Many applications, including the biological data we studied in this paper, contain some boundary datapoints which show combination…

机器学习 · 计算机科学 2022-05-23 Yingcong Li , Chandra Sekhar Mukherjee , Jiapeng Zhang

Graph Neural Networks (GNNs) with attention have been successfully applied for learning visual feature matching. However, current methods learn with complete graphs, resulting in a quadratic complexity in the number of features. Motivated…

计算机视觉与模式识别 · 计算机科学 2023-03-20 Yan Shi , Jun-Xiong Cai , Yoli Shavit , Tai-Jiang Mu , Wensen Feng , Kai Zhang

Determining clustering tendency in datasets is a fundamental but challenging task, especially in noisy or high-dimensional settings where traditional methods, such as the Hopkins Statistic and Visual Assessment of Tendency (VAT), often…

机器学习 · 计算机科学 2025-01-31 Yiran Luo , Evangelos E. Papalexakis

Simplicial neural networks (SNN) have recently emerged as the newest direction in graph learning which expands the idea of convolutional architectures from node space to simplicial complexes on graphs. Instead of pre-dominantly assessing…

机器学习 · 计算机科学 2021-12-14 Yuzhou Chen , Yulia R. Gel , H. Vincent Poor

Graph neural networks (GNNs) have attracted significant attention for their outstanding performance in graph learning and node classification tasks. However, their vulnerability to adversarial attacks, particularly through susceptible…

机器学习 · 计算机科学 2024-11-19 Sepideh Neshatfar , Salimeh Yasaei Sekeh

Hyperspectral image (HSI) clustering, which aims at dividing hyperspectral pixels into clusters, has drawn significant attention in practical applications. Recently, many graph-based clustering methods, which construct an adjacent graph to…

计算机视觉与模式识别 · 计算机科学 2022-12-07 Qi Wang , Yanling Miao , Mulin Chen , Xuelong Li

While there have been many studies on hardware acceleration for deep learning on images, there has been a rather limited focus on accelerating deep learning applications involving graphs. The unique characteristics of graphs, such as the…

机器学习 · 计算机科学 2021-11-12 Atefeh Sohrabizadeh , Yuze Chi , Jason Cong

Graph-level clustering is a fundamental task of data mining, aiming at dividing unlabeled graphs into distinct groups. However, existing deep methods that are limited by pooling have difficulty extracting diverse and complex graph structure…

机器学习 · 计算机科学 2025-04-03 Renda Han , Guangzhen Yao , Wenxin Zhang , Yu Li , Wen Xin , Huajie Lei , Mengfei Li , Zeyu Zhang , Chengze Du , Yahe Tian

Edge computing environments host increasingly complex microservice-based IoT applications that are prone to performance anomalies propagating across dependent services. Identifying the faulty component (root cause localization) and the…

分布式、并行与集群计算 · 计算机科学 2026-03-03 Duneesha Fernando , Maria A. Rodriguez , Rajkumar Buyya

Recent years have witnessed the rapid development of heterogeneous graph neural networks (HGNNs) in information retrieval (IR) applications. Many existing HGNNs design a variety of tailor-made graph convolutions to capture structural and…

机器学习 · 计算机科学 2023-08-15 Chenguang Du , Kaichun Yao , Hengshu Zhu , Deqing Wang , Fuzhen Zhuang , Hui Xiong