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Node embedding is the task of extracting concise and informative representations of certain entities that are connected in a network. Various real-world networks include information about both node connectivity and certain node attributes,…

社会与信息网络 · 计算机科学 2022-02-24 Charilaos I. Kanatsoulis , Nicholas D. Sidiropoulos

Text-Attributed Graphs (TAGs) augment graph structures with natural language descriptions, facilitating detailed depictions of data and their interconnections across various real-world settings. However, existing TAG datasets predominantly…

计算与语言 · 计算机科学 2024-11-26 Zhuofeng Li , Zixing Gou , Xiangnan Zhang , Zhongyuan Liu , Sirui Li , Yuntong Hu , Chen Ling , Zheng Zhang , Liang Zhao

Weakly-supervised temporal action localization (WTAL) is a practical yet challenging task. Due to large-scale datasets, most existing methods use a network pretrained in other datasets to extract features, which are not suitable enough for…

计算机视觉与模式识别 · 计算机科学 2023-08-08 Xiaojun Tang , Junsong Fan , Chuanchen Luo , Zhaoxiang Zhang , Man Zhang , Zongyuan Yang

The rapid expansion of cloud infrastructures and distributed identity systems has significantly increased the complexity and attack surface of modern enterprises. Traditional rule based or signature driven detection systems are often…

密码学与安全 · 计算机科学 2025-12-12 Venkata Tanuja Madireddy

Graph neural networks (GNNs) are increasingly used to model biological systems, yet the reliability of post-hoc explanation methods for recovering meaningful molecular mechanisms remains unclear. Here, we systematically evaluate four widely…

分子网络 · 定量生物学 2026-05-22 Kyle Higgins , Ivan Laponogov , Dennis Veselkov , Kirill Veselkov

Retrieval-Augmented Generation (RAG) improves large language models by retrieving external knowledge, often truncated into smaller chunks due to the input context window, which leads to information loss, resulting in response hallucinations…

计算与语言 · 计算机科学 2025-11-18 Jie Zhang , Bo Tang , Wanzi Shao , Wenqiang Wei , Jihao Zhao , Jianqing Zhu , Zhiyu li , Wen Xi , Zehao Lin , Feiyu Xiong , Yanchao Tan

Relational data stored in RDBMS is foundational to many real-world applications across domains such as e-commerce, finance, and sociality. While deep neural networks (DNNs) have achieved strong performance on tabular data with a single…

数据库 · 计算机科学 2026-05-15 Lingze Zeng , Shaofeng Cai , Changshuo Liu , Zhongle Xie , Yuncheng Wu , Beng Chin Ooi

This paper presents a novel approach to neural network pruning by integrating a graph-based observation space into an AutoML framework to address the limitations of existing methods. Traditional pruning approaches often depend on…

机器学习 · 计算机科学 2025-09-16 Dieter Balemans , Thomas Huybrechts , Jan Steckel , Siegfried Mercelis

Retrieval-augmented generation (RAG) empowers large language models to access external and private corpus, enabling factually consistent responses in specific domains. By exploiting the inherent structure of the corpus, graph-based RAG…

人工智能 · 计算机科学 2025-04-17 Tianyang Xu , Haojie Zheng , Chengze Li , Haoxiang Chen , Yixin Liu , Ruoxi Chen , Lichao Sun

Recent advances in machine learning have demonstrated an enormous utility of deep learning approaches, particularly Graph Neural Networks (GNNs) for materials science. These methods have emerged as powerful tools for high-throughput…

计算物理 · 物理学 2025-05-23 Junchi Liu , Ying Tang , Sergei Tretiak , Wenhui Duan , Liujiang Zhou

Many models have been proposed for vision and language tasks, especially the image-text retrieval task. All state-of-the-art (SOTA) models in this challenge contained hundreds of millions of parameters. They also were pretrained on a large…

计算机视觉与模式识别 · 计算机科学 2023-01-13 Manh-Duy Nguyen , Binh T. Nguyen , Cathal Gurrin

Internet-of-Things (IoT) networks intelligently connect thousands of physical entities to provide various services for the community. It is witnessing an exponential expansion, which is complicating the process of discovering IoT devices…

机器学习 · 计算机科学 2022-06-22 Aymen Hamrouni , Hakim Ghazzai , Yehia Massoud

The text-attributed graph (TAG) is one kind of important real-world graph-structured data with each node associated with raw texts. For TAGs, traditional few-shot node classification methods directly conduct training on the pre-processed…

社会与信息网络 · 计算机科学 2024-07-23 Huanjing Zhao , Beining Yang , Yukuo Cen , Junyu Ren , Chenhui Zhang , Yuxiao Dong , Evgeny Kharlamov , Shu Zhao , Jie Tang

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

We present Simplified Text-Attributed Graph Embeddings (STAGE), a straightforward yet effective method for enhancing node features in Graph Neural Network (GNN) models that encode Text-Attributed Graphs (TAGs). Our approach leverages…

计算与语言 · 计算机科学 2024-07-19 Aaron Zolnai-Lucas , Jack Boylan , Chris Hokamp , Parsa Ghaffari

Image retagging aims to improve tag quality of social images by refining their original tags or assigning new high-quality tags. Recent approaches simultaneously explore visual, user and tag information to improve the performance of image…

计算机视觉与模式识别 · 计算机科学 2018-10-04 Jinhui Tang , Xiangbo Shu , Zechao Li , Yu-Gang Jiang , Qi Tian

Topological data analysis (TDA) provides insight into data shape. The summaries obtained by these methods are principled global descriptions of multi-dimensional data whilst exhibiting stable properties such as robustness to deformation and…

机器学习 · 计算机科学 2024-03-18 Ali Zia , Abdelwahed Khamis , James Nichols , Zeeshan Hayder , Vivien Rolland , Lars Petersson

Retrieval-Augmented Generation (RAG) has become a core paradigm for enhancing factual grounding and multi-hop reasoning in Large Language Models (LLMs). Traditional text-based RAG often retrieves logically irrelevant pseudo-evidence, while…

人工智能 · 计算机科学 2026-05-08 Jiarui Zhong , Hong Cai Chen

As large language models (LLMs) become increasingly adopted on edge devices, Retrieval-Augmented Generation (RAG) is gaining prominence as a solution to address factual deficiencies and hallucinations by integrating external knowledge.…

分布式、并行与集群计算 · 计算机科学 2025-05-02 Chenhao Xu , Longxiang Gao , Yuan Miao , Xi Zheng

Threat actor attribution is a crucial defense strategy for combating advanced persistent threats (APTs). Cyber threat intelligence (CTI), which involves analyzing multisource heterogeneous data from APTs, plays an important role in APT…

密码学与安全 · 计算机科学 2024-02-21 Nan Xiao , Bo Lang , Ting Wang , Yikai Chen