中文
相关论文

相关论文: LHGEL: Large Heterogeneous Graph Ensemble Learning…

200 篇论文

Deep learning systems are optimized for clusters with homogeneous resources. However, heterogeneity is prevalent in computing infrastructure across edge, cloud and HPC. When training neural networks using stochastic gradient descent…

机器学习 · 计算机科学 2025-03-25 Sahil Tyagi , Prateek Sharma

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

Heterogeneous Graph Neural Networks (HGNNs) are powerful tools for deep learning on heterogeneous graphs. Typical HGNNs require repetitive message passing during training, limiting efficiency for large-scale real-world graphs. Recent…

机器学习 · 计算机科学 2024-09-04 Jun Hu , Bryan Hooi , Bingsheng He

Graph representation learning has attracted a surge of interest recently, whose target at learning discriminant embedding for each node in the graph. Most of these representation methods focus on supervised learning and heavily depend on…

机器学习 · 计算机科学 2021-07-07 Pengpeng Shao , Tong Liu , Dawei Zhang , Jianhua Tao , Feihu Che , Guohua Yang

Federated learning (FL) enables distributed training with private client data, but its convergence is hindered by system heterogeneity under realistic communication scenarios. Most FL schemes addressing system heterogeneity utilize global…

机器学习 · 计算机科学 2025-09-19 Keumseo Ryum , Jinu Gong , Joonhyuk Kang

A major obstacle to achieving global convergence in distributed and federated learning is the misalignment of gradients across clients, or mini-batches due to heterogeneity and stochasticity of the distributed data. In this work, we show…

机器学习 · 计算机科学 2021-12-14 Yatin Dandi , Luis Barba , Martin Jaggi

Revealing the hidden patterns shaping the urban environment is essential to understand its dynamics and to make cities smarter. Recent studies have demonstrated that learning the representations of urban regions can be an effective strategy…

机器学习 · 计算机科学 2022-02-21 Namwoo Kim , Yoonjin Yoon

Crowdsourcing has attracted much attention for its convenience to collect labels from non-expert workers instead of experts. However, due to the high level of noise from the non-experts, an aggregation model that learns the true label by…

机器学习 · 计算机科学 2021-05-14 Hanlu Wu , Tengfei Ma , Lingfei Wu , Shouling Ji

Risk prediction, as a typical time series modeling problem, is usually achieved by learning trends in markers or historical behavior from sequence data, and has been widely applied in healthcare and finance. In recent years, deep learning…

机器学习 · 计算机科学 2022-11-16 Youru Li , Zhenfeng Zhu , Xiaobo Guo , Shaoshuai Li , Yuchen Yang , Yao Zhao

Real-world graphs are typically complex, exhibiting heterogeneity in the global structure, as well as strong heterophily within local neighborhoods. While a growing body of literature has revealed the limitations of common graph neural…

Extractive summarization for long documents is challenging due to the extended structured input context. The long-distance sentence dependency hinders cross-sentence relations modeling, the critical step of extractive summarization. This…

计算与语言 · 计算机科学 2022-10-11 Haopeng Zhang , Xiao Liu , Jiawei Zhang

Existing deep learning approaches for image super-resolution, particularly those based on CNNs and attention mechanisms, often suffer from structural inflexibility. Although graph-based methods offer greater representational adaptability,…

计算机视觉与模式识别 · 计算机科学 2025-10-09 Qiongyang Hu , Wenyang Liu , Wenbin Zou , Yuejiao Su , Lap-Pui Chau , Yi Wang

Despite the significant progress made by transformer models in machine reading comprehension tasks, they still fall short in handling complex reasoning tasks due to the absence of explicit knowledge in the input sequence. To address this…

计算与语言 · 计算机科学 2024-01-17 Shima Foolad , Kourosh Kiani

Graph representation learning (a.k.a. network embedding) is a significant topic of network analysis, due to its effectiveness to support various graph inference tasks. In this paper, we study the representation learning with multiple…

社会与信息网络 · 计算机科学 2023-05-17 Meng Qin

Fuzzy Graph Attention Network (FGAT), which combines Fuzzy Rough Sets and Graph Attention Networks, has shown promise in tasks requiring robust graph-based learning. However, existing models struggle to effectively capture dependencies from…

机器学习 · 计算机科学 2024-12-24 Jinming Xing , Dongwen Luo , Qisen Cheng , Chang Xue , Ruilin Xing

Recent graph neural networks (GNNs) with the attention mechanism have historically been limited to small-scale homogeneous graphs (HoGs). However, GNNs handling heterogeneous graphs (HeGs), which contain several entity and relation types,…

机器学习 · 计算机科学 2023-04-25 Roshni G. Iyer , Wei Wang , Yizhou Sun

Heterogeneous Graphs (HGs) effectively model complex relationships in the real world through multi-type nodes and edges. In recent years, inspired by self-supervised learning (SSL), contrastive learning (CL)-based Heterogeneous Graphs…

机器学习 · 计算机科学 2025-05-06 Yu Wang , Lei Sang , Yi Zhang , Yiwen Zhang , Xindong Wu

Heterogeneous graph representation learning (HGRL) is essential for modeling complex systems with diverse node and edge types. However, most existing methods are limited to closed-world settings with shared schemas and feature spaces,…

机器学习 · 计算机科学 2026-03-31 Xuanze Chen , Jiajun Zhou , Yadong Li , Shanqing Yu , Qi Xuan

We propose a novel graph-driven generative model, that unifies multiple heterogeneous learning tasks into the same framework. The proposed model is based on the fact that heterogeneous learning tasks, which correspond to different…

机器学习 · 计算机科学 2019-11-21 Wenlin Wang , Hongteng Xu , Zhe Gan , Bai Li , Guoyin Wang , Liqun Chen , Qian Yang , Wenqi Wang , Lawrence Carin

Graph neural networks (GNNs) provide powerful insights for brain neuroimaging technology from the view of graphical networks. However, most existing GNN-based models assume that the neuroimaging-produced brain connectome network is a…

机器学习 · 计算机科学 2022-09-30 Gen Shi , Yifan Zhu , Wenjin Liu , Quanming Yao , Xuesong Li