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Large Language Models (LLMs) have achieved impressive results in processing text data, which has sparked interest in applying these models beyond textual data, such as graphs. In the field of graph learning, there is a growing interest in…

Artificial Intelligence · Computer Science 2024-10-10 Sheng Ouyang , Yulan Hu , Ge Chen , Yong Liu

Graph neural networks (GNNs) have emerged as state-of-the-art methods to learn from graph-structured data for recommendation. However, most existing GNN-based recommendation methods focus on the optimization of model structures and learning…

Information Retrieval · Computer Science 2025-07-02 Rong Shan , Jianghao Lin , Chenxu Zhu , Bo Chen , Menghui Zhu , Kangning Zhang , Jieming Zhu , Ruiming Tang , Yong Yu , Weinan Zhang

Graph Neural Networks (GNNs) have achieved tremendous success in many graph mining tasks benefitting from the message passing strategy that fuses the local structure and node features for better graph representation learning. Despite the…

Cryptography and Security · Computer Science 2022-07-06 Shuiqiao Yang , Bao Gia Doan , Paul Montague , Olivier De Vel , Tamas Abraham , Seyit Camtepe , Damith C. Ranasinghe , Salil S. Kanhere

Graph Neural Networks (GNNs) have become essential in interpreting relational data across various domains, yet, they often struggle to generalize to unseen graph data that differs markedly from training instances. In this paper, we…

Machine Learning · Computer Science 2024-12-10 Xinke Jiang , Rihong Qiu , Yongxin Xu , Wentao Zhang , Yichen Zhu , Ruizhe Zhang , Yuchen Fang , Xu Chu , Junfeng Zhao , Yasha Wang

Recent years have witnessed the emergence and development of graph neural networks (GNNs), which have been shown as a powerful approach for graph representation learning in many tasks, such as node classification and graph classification.…

Machine Learning · Computer Science 2020-05-26 Haoteng Tang , Guixiang Ma , Yurong Chen , Lei Guo , Wei Wang , Bo Zeng , Liang Zhan

ChatGPT said: Text-attributed graphs, where nodes and edges contain rich textual information, are widely used across diverse domains. A central challenge in this setting is question answering, which requires jointly leveraging unstructured…

Computation and Language · Computer Science 2025-12-23 Lihui Liu

End-to-end training with global optimization have popularized graph neural networks (GNNs) for node classification, yet inadvertently introduced vulnerabilities to adversarial edge-perturbing attacks. Adversaries can exploit the inherent…

Machine Learning · Computer Science 2024-12-12 Ao Liu , Wenshan Li , Tao Li , Beibei Li , Guangquan Xu , Pan Zhou , Wengang Ma , Hanyuan Huang

With the success of the graph embedding model in both academic and industry areas, the robustness of graph embedding against adversarial attack inevitably becomes a crucial problem in graph learning. Existing works usually perform the…

Machine Learning · Computer Science 2022-03-02 Heng Chang , Yu Rong , Tingyang Xu , Wenbing Huang , Honglei Zhang , Peng Cui , Xin Wang , Wenwu Zhu , Junzhou Huang

With the rise of large language models (LLMs), there has been growing interest in Graph Foundation Models (GFMs) for graph-based tasks. By leveraging LLMs as predictors, GFMs have demonstrated impressive generalizability across various…

Machine Learning · Computer Science 2025-03-06 Runlin Lei , Jiarui Ji , Haipeng Ding , Lu Yi , Zhewei Wei , Yongchao Liu , Chuntao Hong

Text-attributed graphs (TAGs) have become a key form of graph-structured data in modern data management and analytics, combining structural relationships with rich textual semantics for diverse applications. However, the effectiveness of…

Machine Learning · Computer Science 2026-05-06 Zhihan Zhang , Xunkai Li , Yilong Zuo , Henan Sun , Zhenjun Li , Bing Zhou , Rong-Hua Li , Guoren Wang

Deep neural networks, while generalize well, are known to be sensitive to small adversarial perturbations. This phenomenon poses severe security threat and calls for in-depth investigation of the robustness of deep learning models. With the…

Machine Learning · Computer Science 2021-06-24 Xiao Zang , Yi Xie , Jie Chen , Bo Yuan

Deep learning methods for graphs achieve remarkable performance across a variety of domains. However, recent findings indicate that small, unnoticeable perturbations of graph structure can catastrophically reduce performance of even the…

Machine Learning · Computer Science 2020-10-29 Xiang Zhang , Marinka Zitnik

Graph mining is an important area in data mining and machine learning that involves extracting valuable information from graph-structured data. In recent years, significant progress has been made in this field through the development of…

Machine Learning · Computer Science 2024-12-30 Yuxin You , Zhen Liu , Xiangchao Wen , Yongtao Zhang , Wei Ai

Graph Neural Networks (GNNs) have achieved state-of-the-art performance in various graph structure related tasks such as node classification and graph classification. However, GNNs are vulnerable to adversarial attacks. Existing works…

Machine Learning · Computer Science 2021-09-28 Jiaming Mu , Binghui Wang , Qi Li , Kun Sun , Mingwei Xu , Zhuotao Liu

Graphs are essential for modeling complex interactions across domains such as social networks, biology, and recommendation systems. Traditional Graph Neural Networks, particularly Message Passing Neural Networks (MPNNs), rely heavily on…

Machine Learning · Computer Science 2025-06-13 Wei Li , Mengcheng Lan , Jiaxing Xu , Yiping Ke

Graph neural network (GNN), as a powerful representation learning model on graph data, attracts much attention across various disciplines. However, recent studies show that GNN is vulnerable to adversarial attacks. How to make GNN more…

Machine Learning · Computer Science 2019-05-14 Shen Wang , Zhengzhang Chen , Jingchao Ni , Xiao Yu , Zhichun Li , Haifeng Chen , Philip S. Yu

Graph Neural Networks have demonstrated great success in various fields of multimedia. However, the distribution shift between the training and test data challenges the effectiveness of GNNs. To mitigate this challenge, Test-Time Training…

Machine Learning · Computer Science 2024-04-23 Jiaxin Zhang , Yiqi Wang , Xihong Yang , Siwei Wang , Yu Feng , Yu Shi , Ruicaho Ren , En Zhu , Xinwang Liu

This paper studies the vulnerability of Graph Neural Networks (GNNs) to adversarial attacks on node features and graph structure. Various methods have implemented adversarial training to augment graph data, aiming to bolster the robustness…

Machine Learning · Computer Science 2025-09-03 Jinluan Yang , Ruihao Zhang , Zhengyu Chen , Fei Wu , Kun Kuang

Graph plays a significant role in representing and analyzing complex relationships in real-world applications such as citation networks, social networks, and biological data. Recently, Large Language Models (LLMs), which have achieved…

Machine Learning · Computer Science 2024-04-25 Yuhan Li , Zhixun Li , Peisong Wang , Jia Li , Xiangguo Sun , Hong Cheng , Jeffrey Xu Yu

The advent of Large Language Models (LLMs) has fundamentally reshaped the way we interact with graphs, giving rise to a new paradigm called GraphLLM. As revealed in recent studies, graph learning can benefit from LLMs. However, we observe…

Machine Learning · Computer Science 2026-04-21 Hongyu Zhan , Qixin Wang , Yusen Tan , Haitao Yu , Jingbo Zhou , Shuai Chen , Jia Li , Xiao Tan , Jun Xia