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Graph Neural Networks (GNNs) show promising results for graph tasks. However, existing GNNs' generalization ability will degrade when there exist distribution shifts between testing and training graph data. The cardinal impetus underlying…

机器学习 · 计算机科学 2023-12-21 Zhengyu Chen , Teng Xiao , Kun Kuang , Zheqi Lv , Min Zhang , Jinluan Yang , Chengqiang Lu , Hongxia Yang , Fei Wu

Conventional route planning services typically offer the same routes to all drivers, focusing primarily on a few standardized factors such as travel distance or time, overlooking individual driver preferences. With the inception of…

人工智能 · 计算机科学 2024-07-26 Dinesh Cyril Selvaraj , Falko Dressler , Carla Fabiana Chiasserini

Large real-world driving datasets have sparked significant research into various aspects of data-driven motion planners for autonomous driving. These include data augmentation, model architecture, reward design, training strategies, and…

机器人学 · 计算机科学 2024-10-30 Qiao Sun , Huimin Wang , Jiahao Zhan , Fan Nie , Xin Wen , Leimeng Xu , Kun Zhan , Peng Jia , Xianpeng Lang , Hang Zhao

Dynamic resource allocation in mobile wireless networks involves complex, time-varying optimization problems, motivating the adoption of deep reinforcement learning (DRL). However, most existing works rely on pre-trained policies,…

机器学习 · 计算机科学 2025-02-12 Xinren Zhang , Jiadong Yu

In large language models like the Generative Pre-trained Transformer, the Mixture of Experts paradigm has emerged as a powerful technique for enhancing model expressiveness and accuracy. However, deploying GPT MoE models for parallel…

机器学习 · 计算机科学 2024-01-18 Jinghan Yao , Quentin Anthony , Aamir Shafi , Hari Subramoni , Dhabaleswar K. , Panda

Universal dexterous grasping across diverse objects presents a fundamental yet formidable challenge in robot learning. Existing approaches using reinforcement learning (RL) to develop policies on extensive object datasets face critical…

机器人学 · 计算机科学 2024-10-04 Ziye Huang , Haoqi Yuan , Yuhui Fu , Zongqing Lu

Edge computing plays an essential role in the vehicle-to-infrastructure (V2I) networks, where vehicles offload their intensive computation tasks to the road-side units for saving energy and reduce the latency. This paper designs the optimal…

网络与互联网体系结构 · 计算机科学 2025-12-08 Xinyu You , Haojie Yan , Yuedong Xu , Lifeng Wang , Liangui Dai

Reinsurance optimization is a cornerstone of solvency and capital management, yet traditional approaches often rely on restrictive distributional assumptions and static program designs. We propose a hybrid framework that combines…

计量经济学 · 经济学 2026-03-24 Stella C. Dong

Learning robust vision models that perform well in out-of-distribution (OOD) situations is an important task for model deployment in real-world settings. Despite extensive research in this field, many proposed methods have only shown minor…

计算机视觉与模式识别 · 计算机科学 2024-12-10 Gyuseong Lee , Wooseok Jang , Jinhyeon Kim , Jaewoo Jung , Seungryong Kim

Deep reinforcement learning (RL) has been shown to be effective in producing approximate solutions to some vehicle routing problems (VRPs), especially when using policies generated by encoder-decoder attention mechanisms. While these…

机器学习 · 计算机科学 2024-12-19 Joshua Levin , Randall Correll , Takanori Ide , Takafumi Suzuki , Takaho Saito , Alan Arai

Rotating detonation engines (RDEs) are a promising propulsion concept that may offer higher thermodynamic efficiency and specific impulse than conventional systems, but nonlinear phenomena, including transitions to oscillatory or chaotic…

流体动力学 · 物理学 2026-04-17 Kristian Holme , Jean Rabault , Ricardo Vinuesa , Mikael Mortensen

Vehicular edge computing (VEC) is an emerging technology with significant potential in the field of internet of vehicles (IoV), enabling vehicles to perform intensive computational tasks locally or offload them to nearby edge devices.…

机器学习 · 计算机科学 2025-06-19 Kangwei Qi , Qiong Wu , Pingyi Fan , Nan Cheng , Wen Chen , Khaled B. Letaief

Diffusion models have become the go-to method for large-scale generative models in real-world applications. These applications often involve data distributions confined within bounded domains, typically requiring ad-hoc thresholding…

机器学习 · 统计学 2024-01-09 Wei Deng , Yu Chen , Nicole Tianjiao Yang , Hengrong Du , Qi Feng , Ricky T. Q. Chen

This tutorial provides a comprehensive survey of methods for fine-tuning diffusion models to optimize downstream reward functions. While diffusion models are widely known to provide excellent generative modeling capability, practical…

机器学习 · 计算机科学 2024-07-19 Masatoshi Uehara , Yulai Zhao , Tommaso Biancalani , Sergey Levine

Federated Reinforcement Learning (FRL) offers a promising solution to various practical challenges in resource allocation for vehicle-to-everything (V2X) networks. However, the data discrepancy among individual agents can significantly…

信号处理 · 电气工程与系统科学 2024-05-06 Kaidi Xu , Shenglong Zhou , Geoffrey Ye Li

A resource-constrained unmanned aerial vehicle (UAV) can be used as a flying LoRa gateway (GW) to move inside the target area for efficient data collection and LoRa resource management. In this work, we propose deep reinforcement learning…

网络与互联网体系结构 · 计算机科学 2023-12-05 Mohammed Jouhari , Khalil Ibrahimi , Jalel Ben Othman , El Mehdi Amhoud

We propose a novel framework for analyzing the dynamics of distribution shift in real-world systems that captures the feedback loop between learning algorithms and the distributions on which they are deployed. Prior work largely models…

机器学习 · 计算机科学 2023-10-31 Lauren Conger , Franca Hoffmann , Eric Mazumdar , Lillian Ratliff

Fault detection in power distribution grids is critical for ensuring system reliability and preventing costly outages. Moreover, fault detection methodologies should remain robust to evolving grid topologies caused by factors such as…

机器学习 · 计算机科学 2025-10-07 Burak Karabulut , Carlo Manna , Chris Develder

The interpretability of Mixture-of-Experts (MoE) models, especially those with heterogeneous designs, remains underexplored. Existing attribution methods for dense models fail to capture dynamic routing-expert interactions in sparse MoE…

计算与语言 · 计算机科学 2025-06-12 Junzhuo Li , Bo Wang , Xiuze Zhou , Peijie Jiang , Jia Liu , Xuming Hu

The deployment of Autonomous Vehicles (AVs) poses considerable challenges and unique opportunities for the design and management of future urban road infrastructure. In light of this disruptive transformation, the Right-Of-Way (ROW)…

机器学习 · 计算机科学 2023-03-23 Qiming Ye , Yuxiang Feng , Jose Javier Escribano Macias , Marc Stettler , Panagiotis Angeloudis