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Despite domain generalization (DG) has significantly addressed the performance degradation of pre-trained models caused by domain shifts, it often falls short in real-world deployment. Test-time adaptation (TTA), which adjusts a learned…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Xingguo Lv , Xingbo Dong , Liwen Wang , Jiewen Yang , Lei Zhao , Bin Pu , Zhe Jin , Xuejun Li

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…

机器学习 · 计算机科学 2025-03-06 Runlin Lei , Jiarui Ji , Haipeng Ding , Lu Yi , Zhewei Wei , Yongchao Liu , Chuntao Hong

Graph-structured data exhibit substantial heterogeneity in where their predictive signals originate: in some domains, node-level semantics dominate, while in others, structural patterns play a central role. This structure-semantics…

计算与语言 · 计算机科学 2026-04-03 Safal Thapaliya , Zehong Wang , Jiazheng Li , Ziming Li , Yanfang Ye , Chuxu Zhang

The enhanced representational power and broad applicability of deep learning models have attracted significant interest from the research community in recent years. However, these models often struggle to perform effectively under domain…

计算机视觉与模式识别 · 计算机科学 2024-12-17 Ba Hung Ngo , Doanh C. Bui , Nhat-Tuong Do-Tran , Tae Jong Choi

Graph-structured data plays a vital role in numerous domains, such as social networks, citation networks, commonsense reasoning graphs and knowledge graphs. While graph neural networks have been employed for graph processing, recent…

计算与语言 · 计算机科学 2026-05-19 Wooyoung Kim , Byungyoon Park , Wooju Kim

Large Language Models (LLMs) trained on extensive datasets often learn sensitive information, which raises significant social and legal concerns under principles such as the "Right to be forgotten." Retraining entire models from scratch to…

计算与语言 · 计算机科学 2025-04-18 Kun-Woo Kim , Ji-Hoon Park , Ju-Min Han , Seong-Whan Lee

Temporal Graph Learning (TGL) has become a prevalent technique across diverse real-world applications, especially in domains where data can be represented as a graph and evolves over time. Although TGL has recently seen notable progress in…

机器学习 · 计算机科学 2024-02-27 Weilin Cong , Jian Kang , Hanghang Tong , Mehrdad Mahdavi

The application of large language models (LLMs) to graph data has attracted a lot of attention recently. LLMs allow us to use deep contextual embeddings from pretrained models in text-attributed graphs, where shallow embeddings are often…

人工智能 · 计算机科学 2025-02-19 Shima Khoshraftar , Niaz Abedini , Amir Hajian

Structured data, such as tables, graphs, and databases, play a critical role in plentiful NLP tasks such as question answering and dialogue system. Recently, inspired by Vision-Language Models, Graph Neutral Networks (GNNs) have been…

计算与语言 · 计算机科学 2025-02-11 Yao Xu , Shizhu He , Jiabei Chen , Zeng Xiangrong , Bingning Wang , Guang Liu , Jun Zhao , Kang Liu

Graphs are pervasive in the real-world, such as social network analysis, bioinformatics, and knowledge graphs. Graph neural networks (GNNs) have great ability in node classification, a fundamental task on graphs. Unfortunately, conventional…

机器学习 · 计算机科学 2024-09-05 Quan Li , Tianxiang Zhao , Lingwei Chen , Junjie Xu , Suhang Wang

Deep neural networks (DNNs) often perform poorly in the presence of domain shift and category shift. How to upcycle DNNs and adapt them to the target task remains an important open problem. Unsupervised Domain Adaptation (UDA), especially…

计算机视觉与模式识别 · 计算机科学 2023-03-14 Sanqing Qu , Tianpei Zou , Florian Roehrbein , Cewu Lu , Guang Chen , Dacheng Tao , Changjun Jiang

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…

人工智能 · 计算机科学 2024-10-10 Sheng Ouyang , Yulan Hu , Ge Chen , Yong Liu

Large language models (LLMs) have recently been introduced to graph learning, aiming to extend their zero-shot generalization success to tasks where labeled graph data is scarce. Among these applications, inference over text-attributed…

机器学习 · 计算机科学 2025-06-10 Haoyu Wang , Shikun Liu , Rongzhe Wei , Pan Li

Powerful as they are, graph neural networks (GNNs) are known to be vulnerable to distribution shifts. Recently, test-time adaptation (TTA) has attracted attention due to its ability to adapt a pre-trained model to a target domain, without…

机器学习 · 计算机科学 2025-02-13 Wenxuan Bao , Zhichen Zeng , Zhining Liu , Hanghang Tong , Jingrui He

Unsupervised domain adaptation (UDA) adapts a model from a labeled source domain to an unlabeled target domain in a one-off way. Though widely applied, UDA faces a great challenge whenever the distribution shift between the source and the…

机器学习 · 计算机科学 2025-01-06 Yifei He , Haoxiang Wang , Bo Li , Han Zhao

Graph representation learning, involving both node features and graph structures, is crucial for real-world applications but often encounters pervasive noise. State-of-the-art methods typically address noise by focusing separately on node…

机器学习 · 计算机科学 2024-10-17 Guangxin Su , Yifan Zhu , Wenjie Zhang , Hanchen Wang , Ying Zhang

Over the last decade, graph neural networks (GNNs) have made significant progress in numerous graph machine learning tasks. In real-world applications, where domain shifts occur and labels are often unavailable for a new target domain,…

机器学习 · 计算机科学 2024-11-21 Zepeng Zhang , Olga Fink

Recently, large language models (LLMs) have demonstrated superior capabilities in understanding and zero-shot learning on textual data, promising significant advances for many text-related domains. In the graph domain, various real-world…

计算与语言 · 计算机科学 2024-02-21 Xuanwen Huang , Kaiqiao Han , Yang Yang , Dezheng Bao , Quanjin Tao , Ziwei Chai , Qi Zhu

Large Language Models (LLMs) have demonstrated substantial efficacy in advancing graph-structured data analysis. Prevailing LLM-based graph methods excel in adapting LLMs to text-rich graphs, wherein node attributes are text descriptions.…

人工智能 · 计算机科学 2025-06-04 Dongzhe Fan , Yi Fang , Jiajin Liu , Djellel Difallah , Qiaoyu Tan

Despite the strong abilities, large language models (LLMs) still suffer from hallucinations and reliance on outdated knowledge, raising concerns in knowledge-intensive tasks. Graph-based retrieval-augmented generation (GRAG) enriches LLMs…