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Multi-modal knowledge graph reasoning (MMKGR) aims to predict the missing links by exploiting both graph structure information and multi-modal entity contents. Most existing works are designed for a transductive setting, which learns…

Computation and Language · Computer Science 2026-02-19 Yichi Zhang , Zhuo Chen , Lingbing Guo , Wen Zhang , Huajun Chen

Domain generalization on graphs aims to develop models with robust generalization capabilities, ensuring effective performance on the testing set despite disparities between testing and training distributions. However, existing methods…

Machine Learning · Computer Science 2024-11-21 Qin Tian , Chen Zhao , Minglai Shao , Wenjun Wang , Yujie Lin , Dong Li

The foundation model has heralded a new era in artificial intelligence, pretraining a single model to offer cross-domain transferability on different datasets. Graph neural networks excel at learning graph data, the omnipresent…

Machine Learning · Computer Science 2025-04-09 Li Sun , Zhenhao Huang , Suyang Zhou , Qiqi Wan , Hao Peng , Philip Yu

Multi-graph learning is crucial for extracting meaningful signals from collections of heterogeneous graphs. However, effectively integrating information across graphs with differing topologies, scales, and semantics, often in the absence of…

Machine Learning · Computer Science 2026-02-02 Zahra Moslemi , Ziyi Liang , Norbert Fortin , Babak Shahbaba

Hypergraph neural networks (HGNNs) effectively model complex high-order relationships in domains like protein interactions and social networks by connecting multiple vertices through hyperedges, enhancing modeling capabilities, and reducing…

Machine Learning · Computer Science 2025-12-08 Yue Gao , Yifan Feng , Shiquan Liu , Xiangmin Han , Shaoyi Du , Zongze Wu , Han Hu

Multi-modal neuroimaging technology has greatlly facilitated the efficiency and diagnosis accuracy, which provides complementary information in discovering objective disease biomarkers. Conventional deep learning methods, e.g. convolutional…

Image and Video Processing · Electrical Eng. & Systems 2022-10-26 Yanwu Yang , Xutao Guo , Zhikai Chang , Chenfei Ye , Yang Xiang , Ting Ma

Graph foundation models (GFMs), pretrained on massive graph data, have transformed graph machine learning by supporting general-purpose reasoning across diverse graph tasks and domains. Existing GFMs pretrained with fixed-hop subgraph…

Machine Learning · Computer Science 2026-05-12 Haokun Liu , Zezhong Ding , Xike Xie

While the celebrated graph neural networks yield effective representations for individual nodes of a graph, there has been relatively less success in extending to the task of graph similarity learning. Recent work on graph similarity…

Machine Learning · Computer Science 2021-08-20 Xiang Ling , Lingfei Wu , Saizhuo Wang , Tengfei Ma , Fangli Xu , Alex X. Liu , Chunming Wu , Shouling Ji

This work focuses on training graph foundation models (GFMs) that have strong generalization ability in graph-level tasks such as graph classification. Effective GFM training requires capturing information consistent across different…

Machine Learning · Computer Science 2026-03-10 Ziheng Sun , Qi Feng , Lehao Lin , Chris Ding , Jicong Fan

Graph-structured data underpins many critical applications. While foundation models have transformed language and vision via large-scale pretraining and lightweight adaptation, extending this paradigm to general, real-world graphs is…

Machine Learning · Computer Science 2026-05-22 Maya Bechler-Speicher , Yoel Gottlieb , Andrey Isakov , David Abensur , Ami Tavory , Daniel Haimovich , Ido Guy , Udi Weinsberg

Graph learning has become essential in various domains, including recommendation systems and social network analysis. Graph Neural Networks (GNNs) have emerged as promising techniques for encoding structural information and improving…

Machine Learning · Computer Science 2024-10-10 Lianghao Xia , Ben Kao , Chao Huang

Inspired by the success of foundation models in applications such as ChatGPT, as graph data has been ubiquitous, one can envision the far-reaching impacts that can be brought by Graph Foundation Models (GFMs) with broader applications in…

Machine Learning · Computer Science 2024-11-12 Zehong Wang , Zheyuan Zhang , Nitesh V Chawla , Chuxu Zhang , Yanfang Ye

Graph pre-training has achieved remarkable success in recent years, delivering transferable representations for downstream adaptation. However, most existing methods are designed for either homogeneous or heterogeneous graphs, thereby…

Machine Learning · Computer Science 2026-05-28 Chundong Liang , Yongqi Huang , Dongxiao He , Peiyuan Li , Yawen Li , Di Jin , Weixiong Zhang

In the realm of personalization, integrating diverse information sources such as consumption signals and content-based representations is becoming increasingly critical to build state-of-the-art solutions. In this regard, two of the biggest…

Information Retrieval · Computer Science 2024-03-13 Andreas Damianou , Francesco Fabbri , Paul Gigioli , Marco De Nadai , Alice Wang , Enrico Palumbo , Mounia Lalmas

Graph Foundation Models (GFMs) have emerged as a frontier in graph learning, which are expected to deliver transferable representations across diverse tasks. However, GFMs remain constrained by in-memory bottlenecks: they attempt to encode…

Machine Learning · Computer Science 2026-01-27 Haonan Yuan , Qingyun Sun , Jiacheng Tao , Xingcheng Fu , Jianxin Li

Federated graph learning (FGL) has emerged as a promising paradigm for collaborative graph representation learning, enabling multiple parties to jointly train models while preserving data privacy. However, most existing approaches assume…

Machine Learning · Computer Science 2026-01-01 Zhengyu Wu , Guang Zeng , Huilin Lai , Daohan Su , Jishuo Jia , Yinlin Zhu , Xunkai Li , Rong-Hua Li , Guoren Wang , Chenghu Zhou

Foundation models excel at language, where sentences become tokens, and vision, where images become pixels, because both reduce to discrete symbols on a shared, fixed grid. Knowledge Graphs share the discreteness, but not the geometry.…

Artificial Intelligence · Computer Science 2026-05-08 Kossi Amouzouvi , Robert Wardenga , Jens Lehmann , Sahar Vahdati

Foundation Models (FMs) serve as a general class for the development of artificial intelligence systems, offering broad potential for generalization across a spectrum of downstream tasks. Despite extensive research into self-supervised…

Machine Learning · Computer Science 2024-06-17 Yuhao Xu , Xinqi Liu , Keyu Duan , Yi Fang , Yu-Neng Chuang , Daochen Zha , Qiaoyu Tan

Foundation models have shown remarkable cross-domain generalization in language and vision, inspiring the development of graph foundation models (GFMs). However, existing GFMs typically assume centralized access to multi-domain graphs,…

Machine Learning · Computer Science 2025-10-10 Zhengyu Wu , Yinlin Zhu , Xunkai Li , Ziang Qiu , Rong-Hua Li , Guoren Wang , Chenghu Zhou

Unsupervised Multiplex Graph Learning (UMGL) aims to learn node representations on various edge types without manual labeling. However, existing research overlooks a key factor: the reliability of the graph structure. Real-world data often…

Machine Learning · Computer Science 2024-09-27 Zhixiang Shen , Shuo Wang , Zhao Kang