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相关论文: GCL-OT: Graph Contrastive Learning with Optimal Tr…

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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.…

机器学习 · 计算机科学 2024-12-17 Yujun Li , Hongyuan Zhang , Yuan Yuan

Graph Self-Supervised Learning (GSSL) offers a powerful paradigm for learning graph representations without labeled data. However, existing work assumes clean, manually curated graphs. Recent advances in NLP enable the large-scale automatic…

机器学习 · 计算机科学 2026-05-08 Othmane Kabal , Mounira Harzallah , Fabrice Guillet , Hideaki Takeda , Ryutaro Ichise

After demonstrating significant success in image synthesis, Generative Adversarial Network (GAN) models have likewise made significant progress in the field of speech synthesis, leveraging their capacity to adapt the precise distribution of…

声音 · 计算机科学 2025-04-21 Sandipan Dhar , Md. Tousin Akhter , Nanda Dulal Jana , Swagatam Das

Recommender systems are widely deployed in various web environments, and self-supervised learning (SSL) has recently attracted significant attention in this field. Contrastive learning (CL) stands out as a major SSL paradigm due to its…

信息检索 · 计算机科学 2025-01-17 Yu Zhang , Lei Sang , Yi Zhang , Yiwen Zhang , Yun Yang

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…

机器学习 · 计算机科学 2026-05-26 Mengting Pan , Fan Li , Chen Chen , Xiaoyang Wang , Wenjie Zhang

Graph Neural Networks (GNNs) often struggle with heterophilic data, where connected nodes may have dissimilar labels, as they typically assume homophily and rely on local message passing. To address this, we propose creating alternative…

机器学习 · 计算机科学 2025-06-11 Victor M. Tenorio , Madeline Navarro , Samuel Rey , Santiago Segarra , Antonio G. Marques

Graph Contrastive Learning (GCL) has emerged as the foremost approach for self-supervised learning on graph-structured data. GCL reduces reliance on labeled data by learning robust representations from various augmented views. However,…

机器学习 · 计算机科学 2025-02-20 Ruyue Liu , Rong Yin , Yong Liu , Xiaoshuai Hao , Haichao Shi , Can Ma , Weiping Wang

Graph Neural Networks (GNNs) have achieved remarkable performance in modeling graphs for various applications. However, most existing GNNs assume the graphs exhibit strong homophily in node labels, i.e., nodes with similar labels are…

机器学习 · 计算机科学 2023-02-20 Enyan Dai , Shijie Zhou , Zhimeng Guo , Suhang Wang

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…

计算机视觉与模式识别 · 计算机科学 2024-10-15 Zehua Cheng , Di Yuan , Thomas Lukasiewicz

Self-supervised topological deep learning (TDL) represents a nascent but underexplored area with significant potential for modeling higher-order interactions in simplicial complexes and cellular complexes to derive representations of…

机器学习 · 计算机科学 2025-05-29 Bin Qin , Qirui Ji , Jiangmeng Li , Yupeng Wang , Xuesong Wu , Jianwen Cao , Fanjiang Xu

Recently, the pretrain-finetuning paradigm has attracted tons of attention in graph learning community due to its power of alleviating the lack of labels problem in many real-world applications. Current studies use existing techniques, such…

机器学习 · 计算机科学 2022-05-11 Jiying Zhang , Xi Xiao , Long-Kai Huang , Yu Rong , Yatao Bian

Graph self-training (GST), which selects and assigns pseudo-labels to unlabeled nodes, is popular for tackling label sparsity in graphs. However, recent study on homophily graphs show that GST methods could introduce and amplify…

社会与信息网络 · 计算机科学 2024-07-26 Fali Wang , Tianxiang Zhao , Junjie Xu , Suhang Wang

Graph Contrastive Learning (GCL) has emerged as a prominent framework for unsupervised graph representation learning. However, relying on augmentation design alone to define the invariances learned by GCL can be brittle under structural…

机器学习 · 计算机科学 2026-04-30 Mengyang Zhao , Longlong Li , Cunquan Qu

Scene graph generation (SGG) aims to detect objects and predict their pairwise relationships within an image. Current SGG methods typically utilize graph neural networks (GNNs) to acquire context information between objects/relationships.…

计算机视觉与模式识别 · 计算机科学 2022-05-05 Xin Lin , Changxing Ding , Yibing Zhan , Zijian Li , Dacheng Tao

Annotating automatic target recognition (ATR) is a highly challenging task, primarily due to the unavailability of labeled data in the target domain. Hence, it is essential to construct an optimal target domain classifier by utilizing the…

计算机视觉与模式识别 · 计算机科学 2024-11-22 Shoaib Meraj Sami , Md Mahedi Hasan , Nasser M. Nasrabadi , Raghuveer Rao

The rise of self-supervised learning, which operates without the need for labeled data, has garnered significant interest within the graph learning community. This enthusiasm has led to the development of numerous Graph Contrastive Learning…

机器学习 · 计算机科学 2024-02-27 Qian Ma , Hongliang Chi , Hengrui Zhang , Kay Liu , Zhiwei Zhang , Lu Cheng , Suhang Wang , Philip S. Yu , Yao Ma

Graph augmentations are essential for graph contrastive learning. Most existing works use pre-defined random augmentations, which are usually unable to adapt to different input graphs and fail to consider the impact of different nodes and…

机器学习 · 计算机科学 2023-03-28 Yifu Chen , Qianqian Ren , Liu Yong

Graph neural networks (GNNs) based methods have achieved impressive performance on node clustering task. However, they are designed on the homophilic assumption of graph and clustering on heterophilic graph is overlooked. Due to the lack of…

社会与信息网络 · 计算机科学 2023-05-09 Erlin Pan , Zhao Kang

Graph neural networks (GNNs) have advanced recommender systems by modeling interaction relationships. However, existing graph-based recommenders rely on sparse ID features and do not fully exploit textual information, resulting in low…

信息检索 · 计算机科学 2025-11-24 Hailong Luo , Bin Wu , Hongyong Jia , Qingqing Zhu , Lianlei Shan

Graph Neural Networks (GNNs) have emerged as the most powerful weapon for various graph tasks due to the message-passing mechanism's great local information aggregation ability. However, over-smoothing has always hindered GNNs from going…

机器学习 · 计算机科学 2024-03-26 Yundong Sun , Dongjie Zhu , Yansong Wang , Zhaoshuo Tian
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