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While retrieval-augmented generation (RAG) has been shown to enhance factuality of large language model (LLM) outputs, LLMs still suffer from hallucination, generating incorrect or irrelevant information. A common detection strategy…

计算与语言 · 计算机科学 2025-03-17 Tobias Leemann , Periklis Petridis , Giuseppe Vietri , Dionysis Manousakas , Aaron Roth , Sergul Aydore

As graph representation learning often suffers from label scarcity problems in real-world applications, researchers have proposed graph domain adaptation (GDA) as an effective knowledge-transfer paradigm across graphs. In particular, to…

机器学习 · 计算机科学 2024-12-31 Boshen Shi , Yongqing Wang , Fangda Guo , Bingbing Xu , Huawei Shen , Xueqi Cheng

Graph neural networks (GNNs) have demonstrated remarkable success in numerous graph analytical tasks. Yet, their effectiveness is often compromised in real-world scenarios due to distribution shifts, limiting their capacity for knowledge…

机器学习 · 计算机科学 2024-07-30 Renhong Huang , Jiarong Xu , Xin Jiang , Ruichuan An , Yang Yang

As a specific case of graph transfer learning, unsupervised domain adaptation on graphs aims for knowledge transfer from label-rich source graphs to unlabeled target graphs. However, graphs with topology and attributes usually have…

机器学习 · 计算机科学 2024-10-01 Ziyue Qiao , Xiao Luo , Meng Xiao , Hao Dong , Yuanchun Zhou , Hui Xiong

Graph Domain Adaptation (GDA) transfers knowledge from labeled source graphs to unlabeled target graphs, addressing the challenge of label scarcity. However, existing GDA methods typically assume that both source and target graphs exhibit…

社会与信息网络 · 计算机科学 2026-02-10 Ruiyi Fang , Shuo Wang , Ruizhi Pu , Qiuhao Zeng , Hao Zheng , Ziyan Wang , Jiale Cai , Zhimin Mei , Song Tang , Charles Ling , Boyu Wang

Recent years have witnessed significant advancements in machine learning methods on graphs. However, transferring knowledge effectively from one graph to another remains a critical challenge. This highlights the need for algorithms capable…

机器学习 · 计算机科学 2025-12-16 Xinwei Tai , Dongmian Zou , Hongfei Wang

Retrieval-Augmented Generation (RAG) has significantly mitigated the hallucinations of Large Language Models (LLMs) by grounding the generation with external knowledge. Recent extensions of RAG to graph-based retrieval offer a promising…

Graph Domain Adaptation (GDA) aims to bridge distribution shifts between domains by transferring knowledge from well-labeled source graphs to given unlabeled target graphs. One promising recent approach addresses graph transfer by…

机器学习 · 计算机科学 2026-02-12 Wei Chen , Xingyu Guo , Shuang Li , Yan Zhong , Zhao Zhang , Fuzhen Zhuang , Hongrui Liu , Libang Zhang , Guo Ye , Huimei He

Partial domain adaptation (PDA), in which we assume the target label space is included in the source label space, is a general version of standard domain adaptation. Since the target label space is unknown, the main challenge of PDA is to…

计算机视觉与模式识别 · 计算机科学 2020-05-19 Seunghan Yang , Youngeun Kim , Dongki Jung , Changick Kim

Graph Domain Adaptation (GDA) addresses a pressing challenge in cross-network learning, particularly pertinent due to the absence of labeled data in real-world graph datasets. Recent studies attempted to learn domain invariant…

机器学习 · 计算机科学 2025-02-26 Ruiyi Fang , Bingheng Li , Zhao Kang , Qiuhao Zeng , Nima Hosseini Dashtbayaz , Ruizhi Pu , Boyu Wang , Charles Ling

Large Language Models (LLMs) have demonstrated strong capabilities in various natural language processing tasks; however, their application to graph-related problems remains limited, primarily due to scalability constraints and the absence…

机器学习 · 计算机科学 2025-05-08 Hyun Lee , Chris Yi , Maminur Islam , B. D. S. Aritra

Graph Domain Adaptation (GDA) facilitates knowledge transfer from labeled source graphs to unlabeled target graphs by learning domain-invariant representations, which is essential in applications such as molecular property prediction and…

机器学习 · 计算机科学 2025-09-09 Yingxu Wang , Mengzhu Wang , Zhichao Huang , Suyu Liu , Nan Yin

Graph domain adaptation (GDA) is a fundamental task in graph machine learning, with techniques like shift-robust graph neural networks (GNNs) and specialized training procedures to tackle the distribution shift problem. Although these…

机器学习 · 计算机科学 2025-10-27 Ting-Wei Li , Ruizhong Qiu , Hanghang Tong

Hallucination mitigation remains a persistent challenge for large language models (LLMs), even as model scales grow. Existing approaches often rely on external knowledge sources, such as structured databases or knowledge graphs, accessed…

计算与语言 · 计算机科学 2025-11-07 Manh Nguyen , Sunil Gupta , Dai Do , Hung Le

Graph neural networks (GNNs) have shown great ability for node classification on graphs. However, the success of GNNs relies on abundant labeled data, while obtaining high-quality labels is costly and challenging, especially for newly…

机器学习 · 计算机科学 2025-06-02 Yilong Wang , Tianxiang Zhao , Zongyu Wu , Suhang Wang

Graph-based learning excels at capturing interaction patterns in diverse domains like recommendation, fraud detection, and particle physics. However, its performance often degrades under distribution shifts, especially those altering…

机器学习 · 计算机科学 2026-05-12 Hans Hao-Hsun Hsu , Shikun Liu , Han Zhao , Pan Li

Large language models (LLMs) have demonstrated remarkable capabilities in a wide range of tasks, yet their application to specialized domains remains challenging due to the need for deep expertise. Retrieval-Augmented generation (RAG) has…

The remarkable success of large language models (LLMs) has motivated researchers to adapt them as universal predictors for various graph-related tasks, with the ultimate goal of developing a graph foundation model that generalizes diverse…

计算与语言 · 计算机科学 2026-03-03 Zhongjian Zhang , Xiao Wang , Mengmei Zhang , Jiarui Tan , Chuan Shi

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

Large Language Models (LLMs) have demonstrated remarkable capabilities in modeling sequential textual data and generalizing across diverse tasks. However, adapting LLMs to effectively handle structural data, such as knowledge graphs or web…

计算与语言 · 计算机科学 2025-11-12 Jiarui Feng , Donghong Cai , Yixin Chen , Muhan Zhang
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