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We consider a search and rescue game introduced recently by the first author. An immobile target or targets (for example, injured hikers) are hidden on a graph. The terrain is assumed to dangerous, so that when any given vertex of the graph…

数据结构与算法 · 计算机科学 2023-04-10 Thomas Lidbetter , Yifan Xie

Due to the intricate of real-world road topologies and the inherent complexity of autonomous vehicles, cooperative decision-making for multiple connected autonomous vehicles (CAVs) remains a significant challenge. Currently, most methods…

机器人学 · 计算机科学 2024-09-25 Chengzhen Meng , Zhenmin Huang , Jun Ma

Recently, Graph Neural Network (GNN) has achieved remarkable success in various real-world problems on graph data. However in most industries, data exists in the form of isolated islands and the data privacy and security is also an…

机器学习 · 计算机科学 2021-06-23 Xiang Ni , Xiaolong Xu , Lingjuan Lyu , Changhua Meng , Weiqiang Wang

Graphs are widely used to describe real-world objects and their interactions. Graph Neural Networks (GNNs) as a de facto model for analyzing graphstructured data, are highly sensitive to the quality of the given graph structures. Therefore,…

机器学习 · 计算机科学 2022-02-16 Yanqiao Zhu , Weizhi Xu , Jinghao Zhang , Yuanqi Du , Jieyu Zhang , Qiang Liu , Carl Yang , Shu Wu

Traditionally, community detection in graphs can be solved using spectral methods or posterior inference under probabilistic graphical models. Focusing on random graph families such as the stochastic block model, recent research has unified…

机器学习 · 统计学 2020-08-11 Zhengdao Chen , Xiang Li , Joan Bruna

Graph matching is a challenging problem with very important applications in a wide range of fields, from image and video analysis to biological and biomedical problems. We propose a robust graph matching algorithm inspired in…

最优化与控制 · 数学 2013-11-26 Marcelo Fiori , Pablo Sprechmann , Joshua Vogelstein , Pablo Musé , Guillermo Sapiro

Graph similarity computation aims to predict a similarity score between one pair of graphs to facilitate downstream applications, such as finding the most similar chemical compounds similar to a query compound or Fewshot 3D Action…

机器学习 · 计算机科学 2021-01-06 Haoyan Xu , Ziheng Duan , Jie Feng , Runjian Chen , Qianru Zhang , Zhongbin Xu , Yueyang Wang

Graphs are a powerful data structure to represent relational data and are widely used to describe complex real-world data structures. Probabilistic Graphical Models (PGMs) have been well-developed in the past years to mathematically model…

人工智能 · 计算机科学 2023-01-31 Chenqing Hua , Sitao Luan , Qian Zhang , Jie Fu

Malware detection in modern computing environments demands models that are not only accurate but also interpretable and robust to evasive techniques. Graph neural networks (GNNs) have shown promise in this domain by modeling rich structural…

密码学与安全 · 计算机科学 2026-05-26 Hossein Shokouhinejad , Roozbeh Razavi-Far , Griffin Higgins , Ali A Ghorbani

The rise of digital ecosystems has exposed the financial sector to evolving abuse and criminal tactics that share operational knowledge and techniques both within and across different environments (fiat-based, crypto-assets, etc.).…

机器学习 · 计算机科学 2025-09-17 Francesco Zola , Jon Ander Medina , Andrea Venturi , Amaia Gil , Raul Orduna

Despite advances in the field of Graph Neural Networks (GNNs), only a small number (~5) of datasets are currently used to evaluate new models. This continued reliance on a handful of datasets provides minimal insight into the performance…

机器学习 · 计算机科学 2022-07-11 John Palowitch , Anton Tsitsulin , Brandon Mayer , Bryan Perozzi

We propose a unified framework for coordinating Unmanned Aerial Vehicle (UAV) swarms operating under time-varying communication networks. Our framework builds on the concept of graphical games, which we argue provides a compelling paradigm…

机器人学 · 计算机科学 2022-05-05 Malintha Fernando , Ransalu Senanayake , Ariful Azad , Martin Swany

Pursuit and evasion conflicts represent challenging problems with important applications in aerospace and robotics. In pursuit-evasion problems, synthesis of intelligent actions must consider the adversary's potential strategies.…

最优化与控制 · 数学 2020-03-12 Isaac E. Weintraub , Meir Pachter , Eloy Garcia

Foundation Models (FMs) serve as a general class for the development of artificial intelligence systems, offering broad potential for generalization across a spectrum of downstream tasks. Despite extensive research into self-supervised…

机器学习 · 计算机科学 2024-06-17 Yuhao Xu , Xinqi Liu , Keyu Duan , Yi Fang , Yu-Neng Chuang , Daochen Zha , Qiaoyu Tan

The MIT/IEEE/Amazon GraphChallenge.org encourages community approaches to developing new solutions for analyzing graphs and sparse data. Sparse AI analytics present unique scalability difficulties. The proposed Sparse Deep Neural Network…

计算机视觉与模式识别 · 计算机科学 2019-12-03 Jeremy Kepner , Simon Alford , Vijay Gadepally , Michael Jones , Lauren Milechin , Ryan Robinett , Sid Samsi

Financial crime detection using graph learning improves financial safety and efficiency. However, criminals may commit financial crimes across different institutions to avoid detection, which increases the difficulty of detection for…

密码学与安全 · 计算机科学 2023-10-13 Zhirui Pan , Guangzhong Wang , Zhaoning Li , Lifeng Chen , Yang Bian , Zhongyuan Lai

Graph neural networks (GNNs) have been successfully exploited in graph analysis tasks in many real-world applications. The competition between attack and defense methods also enhances the robustness of GNNs. In this competition, the…

机器学习 · 计算机科学 2021-11-10 Jinyin Chen , Dunjie Zhang , Zhaoyan Ming , Kejie Huang , Wenrong Jiang , Chen Cui

Graph Neural Networks (GNNs) have become an effective tool for malware detection by capturing program execution through graph-structured representations. However, important challenges remain regarding scalability, interpretability, and the…

密码学与安全 · 计算机科学 2025-11-27 Hossein Shokouhinejad , Griffin Higgins , Roozbeh Razavi-Far , Ali A. Ghorbani

With the rapid growth of graph-structured data in critical domains, unsupervised graph-level anomaly detection (UGAD) has become a pivotal task. UGAD seeks to identify entire graphs that deviate from normal behavioral patterns. However,…

机器学习 · 计算机科学 2025-11-07 Qingfeng Chen , Haojin Zeng , Jingyi Jie , Shichao Zhang , Debo Cheng

We propose an integrated behavior and motion planning framework for the lane-merging problem. The behavior planner combines search-based planning with game theory to model vehicle interactions and plan multi-vehicle trajectories. Inspired…

系统与控制 · 电气工程与系统科学 2025-02-19 Luyao Zhang , Shaohang Han , Sergio Grammatico