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Urban datasets such as citizen transportation modes often contain disproportionately distributed classes, posing significant challenges to the classification of under-represented samples using data-driven models. In the literature, various…

机器学习 · 计算机科学 2025-04-15 Guang An Ooi , Shehab Ahmed

We study the effectiveness of non-uniform randomized feature selection in decision tree classification. We experimentally evaluate two feature selection methodologies, based on information extracted from the provided dataset: $(i)$…

机器学习 · 统计学 2014-03-25 Anastasios Kyrillidis , Anastasios Zouzias

The multicommodity capacitated fixed-charge network design problem has been extensively studied in the literature due to its wide range of applications. Despite the fact that many sophisticated solution methods exist today, finding…

最优化与控制 · 数学 2024-09-10 Charly Robinson La Rocca , Jean-François Cordeau , Emma Frejinger

Collaborative filtering (CF) is a pivotal technique in modern recommender systems. The learning process of CF models typically consists of three components: interaction encoder, loss function, and negative sampling. Although many existing…

信息检索 · 计算机科学 2023-10-31 Seongmin Park , Mincheol Yoon , Jae-woong Lee , Hogun Park , Jongwuk Lee

Federated learning (FL) enables collaborative model training without sharing raw user data, but conventional simulations often rely on unrealistic data partitioning and current user selection methods ignore data correlation among users. To…

信号处理 · 电气工程与系统科学 2026-01-21 Ce Zheng , Shiyao Ma , Ke Zhang , Chen Sun , Wenqi Zhang

A well-established approach for inferring full displacement and stress fields from possibly sparse data is to calibrate the parameter of a given constitutive model using a Bayesian update. After calibration, a (stochastic) forward…

计算工程、金融与科学 · 计算机科学 2023-08-09 Vahab B. Narouie , Henning Wessels , Ulrich Römer

Selecting proper clients to participate in each federated learning (FL) round is critical to effectively harness a broad range of distributed data. Existing client selection methods simply consider the mining of distributed uni-modal data,…

机器学习 · 计算机科学 2024-07-30 Yunfeng Fan , Wenchao Xu , Haozhao Wang , Fushuo Huo , Jinyu Chen , Song Guo

Choice models for large-scale applications have historically relied on economic theories (e.g. utility maximisation) that establish relationships between the choices of individuals, their characteristics, and the attributes of the…

计量经济学 · 经济学 2025-06-24 Thomas O. Hancock , Stephane Hess , Charisma F. Choudhury

Predictions in the form of probability distributions are crucial for effective decision-making. Quantile regression enables such predictions within spatial prediction settings that aim to create improved precipitation datasets by merging…

机器学习 · 计算机科学 2025-08-05 Georgia Papacharalampous , Hristos Tyralis , Nikolaos Doulamis , Anastasios Doulamis

Optical flow estimation is a fundamental and long-standing visual task. In this work, we present a novel method, dubbed HMAFlow, to improve optical flow estimation in challenging scenes, particularly those involving small objects. The…

计算机视觉与模式识别 · 计算机科学 2024-11-18 Dianbo Ma , Kousuke Imamura , Ziyan Gao , Xiangjie Wang , Satoshi Yamane

The Macroscopic Fundamental Diagram is a popular tool used to describe traffic dynamics in an aggregated way, with applications ranging from traffic control to incident analysis. However, estimating the MFD for a given network requires…

机器学习 · 计算机科学 2026-05-12 Amalie Roark , Serio Agriesti , Francisco Camara Pereira , Guido Cantelmo

The Robotic Mobile Fulfillment Systems (RMFS) is a new type of robotized, parts-to-picker material handling system, designed especially for e-commerce warehouses. Robots bring movable shelves, called pods, to workstations where inventory is…

多智能体系统 · 计算机科学 2021-03-25 Marius Merschformann , Tim Lamballais , René de Koster , Leena Suhl

Predicting human mobility patterns has many practical applications in urban planning, traffic engineering, infectious disease epidemiology, emergency management and location-based services. Developing a universal model capable of accurately…

物理与社会 · 物理学 2019-04-22 Erjian Liu , Xiao-Yong Yan

Recent years have witnessed an increased focus on interpretability and the use of machine learning to inform policy analysis and decision making. This paper applies machine learning to examine travel behavior and, in particular, on modeling…

机器学习 · 计算机科学 2019-02-11 Xilei Zhao , Xiang Yan , Pascal Van Hentenryck

Efficient and accurate motion prediction is crucial for ensuring safety and informed decision-making in autonomous driving, particularly under dynamic real-world conditions that necessitate multi-modal forecasts. We introduce TrajFlow, a…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Qi Yan , Brian Zhang , Yutong Zhang , Daniel Yang , Joshua White , Di Chen , Jiachao Liu , Langechuan Liu , Binnan Zhuang , Shaoshuai Shi , Renjie Liao

This paper proposes a novel framework to predict traffic flows' bandwidth ahead of time. Modern network management systems share a common issue: the network situation evolves between the moment the decision is made and the moment when…

网络与互联网体系结构 · 计算机科学 2021-12-07 Maxime Labonne , Jorge López , Claude Poletti , Jean-Baptiste Munier

With the increasing importance of distributed scientific workflows, there is a critical need to ensure Quality of Service (QoS) constraints, such as minimizing time or limiting execution to resource subsets. However, the unpredictable…

分布式、并行与集群计算 · 计算机科学 2026-03-02 Md Hasanur Rashid , Jesun Firoz , Nathan R. Tallent , Luanzheng Guo , Meng Tang , Dong Dai

Urban socioeconomic modeling has predominantly concentrated on extensive location and neighborhood-based features, relying on the localized population footprint. However, networks in urban systems are common, and many urban modeling methods…

机器学习 · 计算机科学 2025-07-08 Devashish Khulbe , Alexander Belyi , Stanislav Sobolevsky

Generative models excel at synthesizing high-fidelity samples from complex data distributions, but they often violate hard constraints arising from physical laws or task specifications. A common remedy is to project intermediate samples…

机器学习 · 计算机科学 2025-09-30 Jinhao Liang , Yixuan Sun , Anirban Samaddar , Sandeep Madireddy , Ferdinando Fioretto

Estimation of unsteady flow fields around flight vehicles may improve flow interactions and lead to enhanced vehicle performance. Although flow-field representations can be very high-dimensional, their dynamics can have low-order…

流体动力学 · 物理学 2023-03-23 John Graff , Albert Medina , Francis Lagor