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Multi-view clustering (MVC), which effectively fuses information from multiple views for better performance, has received increasing attention. Most existing MVC methods assume that multi-view data are fully paired, which means that the…

Machine Learning · Computer Science 2023-07-10 Yi Wen , Siwei Wang , Qing Liao , Weixuan Liang , Ke Liang , Xinhang Wan , Xinwang Liu

Our work aims to minimize interaction in secure computation due to the high cost and challenges associated with communication rounds, particularly in scenarios with many clients. In this work, we revisit the problem of secure aggregation in…

Cryptography and Security · Computer Science 2025-11-18 Harish Karthikeyan , Antigoni Polychroniadou

Nowadays, as data becomes increasingly complex and distributed, data analyses often involve several related datasets that are stored on different servers and probably owned by different stakeholders. While there is an emerging need to…

Cryptography and Security · Computer Science 2020-07-31 Jiazhi Xia , Tianxiang Chen , Lei Zhang , Wei Chen , Yang Chen , Xiaolong Zhang , Cong Xie , Tobias Schreck

Graph-based Retrieval-Augmented Generation (RAG) has proven effective in integrating external knowledge into large language models (LLMs), improving their factual accuracy, adaptability, interpretability, and trustworthiness. A number of…

Information Retrieval · Computer Science 2026-04-28 Yingli Zhou , Yaodong Su , Youran Sun , Shu Wang , Taotao Wang , Runyuan He , Yongwei Zhang , Sicong Liang , Xilin Liu , Yuchi Ma , Yixiang Fang

Autonomous agents powered by large language models (LLMs) have shown impressive capabilities in tool manipulation for complex task-solving. However, existing paradigms such as ReAct rely on sequential reasoning and execution, failing to…

Artificial Intelligence · Computer Science 2025-10-30 Jiaqi Wu , Qinlao Zhao , Zefeng Chen , Kai Qin , Yifei Zhao , Xueqian Wang , Yuhang Yao

Collaborative perception (CP) enables data sharing among connected and autonomous vehicles (CAVs) to enhance driving safety. However, CP systems are vulnerable to adversarial attacks where malicious agents forge false objects via…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Yihang Tao , Senkang Hu , Haonan An , Zhengru Fang , Hangcheng Cao , Yuguang Fang

Collaborative object localization aims to collaboratively estimate locations of objects observed from multiple views or perspectives, which is a critical ability for multi-agent systems such as connected vehicles. To enable collaborative…

Computer Vision and Pattern Recognition · Computer Science 2021-03-09 Peng Gao , Rui Guo , Hongsheng Lu , Hao Zhang

Autonomous driving relies on accurate perception to ensure safe driving. Collaborative perception improves accuracy by mitigating the sensing limitations of individual vehicles, such as limited perception range and occlusion-induced blind…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-01-21 Hui Zhang , Yuquan Yang , Zechuan Gong , Xiaohua Xu , Dan Keun Sung

Unmanned aerial vehicles (UAV) showed great potential in improving the efficiency of parcel delivery applications in the coming smart cities era. Unfortunately, the trustworthy positioning and control algorithms of the UAV are significantly…

Robotics · Computer Science 2023-10-05 Peiwen Yang , Weisong Wen

Recently, representation learning over graph networks has gained popularity, with various models showing promising results. Despite this, several challenges persist: 1) most methods are designed for static or discrete-time dynamic graphs;…

Machine Learning · Computer Science 2024-04-25 Xiaobo Zhu , Yan Wu , Zhipeng Li , Hailong Su , Jin Che , Zhanheng Chen , Liying Wang

We propose the Part-based Recurrent Multi-view Aggregation network(PREMA) to eliminate the detrimental effects of the practical view defects, such as insufficient view numbers, occlusions or background clutters, and also enhance the…

Computer Vision and Pattern Recognition · Computer Science 2021-11-10 Jiongchao Jin , Huanqiang Xu , Pengliang Ji , Zehao Tang , Zhang Xiong

We propose a visual query language for interactively exploring large-scale knowledge graphs. Starting from an overview, the user explores bar charts through three interactions: class expansion, property expansion, and subject/object…

Databases · Computer Science 2019-01-29 Oren Kalinsky , Oren Mishali , Aidan Hogan , Yoav Etsion , Benny Kimelfeld

Graph-based retrieval-augmented generation (RAG) enriches large language models (LLMs) with external knowledge for long-context understanding and multi-hop reasoning, but existing methods face a granularity dilemma: fine-grained…

Computation and Language · Computer Science 2025-09-26 Yaxiong Wu , Jianyuan Bo , Yongyue Zhang , Sheng Liang , Yong Liu

Optimising queries with many joins is known to be a hard problem. The explosion of intermediate results as opposed to a much smaller final result poses a serious challenge to modern database management systems (DBMSs). This is particularly…

Databases · Computer Science 2024-12-03 Matthias Lanzinger , Reinhard Pichler , Alexander Selzer

Secure multiparty computation (MPC) allows joint privacy-preserving computations on data of multiple parties. Although MPC has been studied substantially, building solutions that are practical in terms of computation and communication cost…

Networking and Internet Architecture · Computer Science 2010-02-16 Martin Burkhart , Mario Strasser , Dilip Many , Xenofontas Dimitropoulos

Recent advances in neural neighborhood search methods have shown potential in tackling Vehicle Routing Problems (VRPs). However, most existing approaches rely on simplistic state representations and fuse heterogeneous information via naive…

Artificial Intelligence · Computer Science 2025-12-04 Xiangling Chen , Yi Mei , Mengjie Zhang

Graph topology inference, i.e., learning graphs from a given set of nodal observations, is a significant task in many application domains. Existing approaches are mostly limited to learning a single graph assuming that the observed data is…

Signal Processing · Electrical Eng. & Systems 2024-01-26 Abdullah Karaaslanli , Selin Aviyente

The execution of flight missions by unmanned aerial vehicles (UAV) primarily relies on navigation. In particular, the navigation pipeline has traditionally been divided into positioning and control, operating in a sequential loop. However,…

Robotics · Computer Science 2024-12-30 Peiwen Yang , Weisong Wen , Shiyu Bai , Li-Ta Hsu

Multi-view clustering is an important approach to analyze multi-view data in an unsupervised way. Among various methods, the multi-view subspace clustering approach has gained increasing attention due to its encouraging performance.…

Machine Learning · Computer Science 2019-12-04 Juncheng Lv , Zhao Kang , Boyu Wang , Luping Ji , Zenglin Xu

Recently, several works have studied the problem of view selection in graph databases. However, existing methods cannot fully exploit the graph properties of views, e.g., supergraph views and common subgraph views, which leads to a low view…

Databases · Computer Science 2021-05-20 Chao Zhang , Jiaheng Lu , Qingsong Guo , Xinyong Zhang , Xiaochun Han , Minqi Zhou