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Purpose: This paper aims to enhance bearing fault diagnosis in industrial machinery by introducing a novel method that combines Graph Attention Network (GAT) and Long Short-Term Memory (LSTM) networks. This approach captures both spatial…

Financial institutions face escalating challenges in identifying high-risk customer behaviors within massive transaction networks, where fraudulent activities exploit market fragmentation and institutional boundaries. We address three…

计算工程、金融与科学 · 计算机科学 2026-01-01 Lecheng Zheng , Jian Ni , Chris Zobel , John R Birge

Safe and efficient navigation in dynamic environments shared with humans remains an open and challenging task for mobile robots. Previous works have shown the efficacy of using reinforcement learning frameworks to train policies for…

机器人学 · 计算机科学 2024-01-15 Yanying Zhou , Jochen Garcke

Spatio-temporal forecasting is critical in applications such as traffic prediction, energy demand modeling, and weather monitoring. While Graph Attention Networks (GATs) are popular for modeling spatial dependencies, they rely on predefined…

机器学习 · 计算机科学 2025-06-03 Sai Vamsi Alisetti , Vikas Kalagi , Sanjukta Krishnagopal

We present a novel method, SALAD, for the challenging vision task of adapting a pre-trained "source" domain network to a "target" domain, with a small budget for annotation in the "target" domain and a shift in the label space. Further, the…

计算机视觉与模式识别 · 计算机科学 2025-02-13 Divya Kothandaraman , Sumit Shekhar , Abhilasha Sancheti , Manoj Ghuhan , Tripti Shukla , Dinesh Manocha

With online payment platforms being ubiquitous and important, fraud transaction detection has become the key for such platforms, to ensure user account safety and platform security. In this work, we present a novel method for detecting…

机器学习 · 计算机科学 2020-03-30 Longfei Li , Ziqi Liu , Chaochao Chen , Ya-Lin Zhang , Jun Zhou , Xiaolong Li

Linear Temporal Logic (LTL) provides a rigorous framework for specifying long-horizon robotic tasks, yet existing approaches face a trade-off: model-based synthesis relies on accurate labeled transition systems, whereas learning-based…

机器人学 · 计算机科学 2026-05-13 Ruijia Liu , Ancheng Hou , Xiang Yin

Advanced persistent threats (APTs) pose significant challenges for organizations, leading to data breaches, financial losses, and reputational damage. Existing provenance-based approaches for APT detection often struggle with high false…

密码学与安全 · 计算机科学 2024-06-11 Yonatan Amaru , Prasanna Wudali , Yuval Elovici , Asaf Shabtai

Graph attention networks (GATs) provide one of the best frameworks for learning node representations in relational data; but, existing variants such as Graph Attention Network (GAT) mainly operate on static graphs and rely on implicit…

机器学习 · 计算机科学 2026-04-14 Ami Chopra , Supriya Bordoloi , Shyamanta M. Hazarika

In medical image analysis, semi-supervised learning is an effective method to extract knowledge from a small amount of labeled data and a large amount of unlabeled data. This paper focuses on a popular pipeline known as self learning, and…

计算机视觉与模式识别 · 计算机科学 2020-08-10 Xinyue Huo , Lingxi Xie , Jianzhong He , Zijie Yang , Qi Tian

This paper presents a new method for anomaly detection in automated systems with time and compute sensitive requirements, such as autonomous driving, with unparalleled efficiency. As systems like autonomous driving become increasingly…

计算机视觉与模式识别 · 计算机科学 2025-03-12 Andrew Gao , Jun Liu

Persistent monitoring of dynamic targets is essential in real-world applications such as disaster response, environmental sensing, and wildlife conservation, where mobile agents must continuously gather information under uncertainty. We…

多智能体系统 · 计算机科学 2025-10-21 Xingjian Zhang , Yizhuo Wang , Guillaume Sartoretti

Effective agent coordination is crucial in cooperative Multi-Agent Reinforcement Learning (MARL). While agent cooperation can be represented by graph structures, prevailing graph learning methods in MARL are limited. They rely solely on…

机器学习 · 计算机科学 2026-04-13 Wei Duan , Jie Lu , Junyu Xuan

Recent work on activation and latent steering has demonstrated that modifying internal representations can effectively guide large language models (LLMs) toward improved reasoning and efficiency without additional training. However, most…

机器学习 · 计算机科学 2026-01-07 Tuc Nguyen , Thai Le

Test-Time Optimization enables models to adapt to new data during inference by updating parameters on-the-fly. Recent advances in Vision-Language Models (VLMs) have explored learning prompts at test time to improve performance in downstream…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Dhruv Sarkar , Aprameyo Chakrabartty , Bibhudatta Bhanja

Cost-aware Dynamic Workflow Scheduling (CADWS) is a key challenge in cloud computing, focusing on devising an effective scheduling policy to efficiently schedule dynamically arriving workflow tasks, represented as Directed Acyclic Graphs…

人工智能 · 计算机科学 2025-09-25 Ya Shen , Gang Chen , Hui Ma , Mengjie Zhang

A key aspect of driving a road vehicle is to interact with other road users, assess their intentions and make risk-aware tactical decisions. An intuitive approach to enabling an intelligent automated driving system would be incorporating…

计算机视觉与模式识别 · 计算机科学 2023-08-08 Videsh Suman , Phu Pham , Aniket Bera

Existing offline hierarchical reinforcement learning methods rely on high-level policy learning to generate subgoal sequences. However, their efficiency degrades as task horizons increase, and they lack effective strategies for stitching…

机器学习 · 计算机科学 2025-07-08 Seungho Baek , Taegeon Park , Jongchan Park , Seungjun Oh , Yusung Kim

Hadoop has become the de facto standard for processing large data in today's cloud environment. The performance of Hadoop in the cloud has a direct impact on many important applications ranging from web analytic, web indexing, image and…

分布式、并行与集群计算 · 计算机科学 2016-11-04 Mbarka Soualhia , Foutse Khomh , Sofiene Tahar

The focus is on the statistical analysis of matrix-valued time series, where data is collected over a network of sensors, typically at spatial locations, over time. Each sensor records a vector of features at each time point, creating a…

机器学习 · 统计学 2026-05-05 Yiye Jiang , Jérémie Bigot , Sofian Maabout