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This research investigates flight delay trends by examining factors such as departure time, airline, and airport. It employs regression machine learning methods to predict the contributions of various sources to delays. Time-series models,…

机器学习 · 计算机科学 2024-08-07 Aravinda Jatavallabha , Jacob Gerlach , Aadithya Naresh

We investigate model assessment and selection in a changing environment, by synthesizing datasets from both the current time period and historical epochs. To tackle unknown and potentially arbitrary temporal distribution shift, we develop…

机器学习 · 计算机科学 2024-06-05 Elise Han , Chengpiao Huang , Kaizheng Wang

The task of simplifying the complex spatio-temporal variables associated with climate modeling is of utmost importance and comes with significant challenges. In this research, our primary objective is to tailor clustering techniques to…

应用统计 · 统计学 2023-11-21 Alexis Boulin , Elena Di Bernardino , Thomas Laloë , Gwladys Toulemonde

Floods are one of nature's most catastrophic calamities which cause irreversible and immense damage to human life, agriculture, infrastructure and socio-economic system. Several studies on flood catastrophe management and flood forecasting…

One of the most important issues in data stream processing systems is to use operator migration to handle highly variable workloads in a cost-efficient manner and adapt to the needs at any given time on demand. Operator migration is a…

分布式、并行与集群计算 · 计算机科学 2022-03-08 Espen Volnes , Thomas Plagemann , Vera Goebel

Human migration exhibits complex spatiotemporal dependence driven by environmental and socioeconomic forces. Modeling such patterns at scale requires methods that accommodate many random effects while remaining feasible when raw data or…

统计方法学 · 统计学 2026-05-29 Lida Chalangar Jalili Dehkharghani , Li-Hsiang Lin

The continuous increase in performance requirements, for both scientific computation and industry, motivates the need of a powerful computing infrastructure. The Grid appeared as a solution for inexpensive execution of heavy applications in…

分布式、并行与集群计算 · 计算机科学 2010-10-05 Anolan Milanés , Noemi Rodriguez , Bruno Schulze

Making decisions about the structure of a future military fleet is a challenging task. Several issues need to be considered such as the existence of multiple competing objectives and the complexity of the operating environment. A particular…

神经与进化计算 · 计算机科学 2009-07-06 Slawomir Wesolkowski , Michael Mazurek , James M. Whitacre , Axel Bender , Hussein Abbass

Detailed estimates of migration stocks and flows provides evidence for understanding population dynamics, and the impact of economic and political changes that influence migration. Using data from the 2000 decennial census and 2001-2016…

应用统计 · 统计学 2019-06-06 Nicolas A Menzies

A cloud-based data stream management system (DSMS) handles fast data by utilizing the massively parallel processing capabilities of the underlying platform. An important property of such a DSMS is elasticity, meaning that nodes can be…

分布式、并行与集群计算 · 计算机科学 2015-04-28 Jianbing Ding , Tom Z. J. Fu , Richard T. B. Ma , Marianne Winslett , Yin Yang , Zhenjie Zhang , Hongyang Chao

Trajectory forecasting is a widely-studied problem for autonomous navigation. However, existing benchmarks evaluate forecasting based on independent snapshots of trajectories, which are not representative of real-world applications that…

计算机视觉与模式识别 · 计算机科学 2023-10-03 Ziqi Pang , Deva Ramanan , Mengtian Li , Yu-Xiong Wang

Migration is reshaping demographic landscapes across Europe, raising urgent questions about adapting to rapid population changes. This study examines the canton of Fribourg, Switzerland, which experienced a 30% population increase over the…

综合经济学 · 经济学 2026-05-08 Emma Bacci

he evaluation of the impact of actions undertaken is essential in management. This paper assesses the impact of efforts considered to mitigate risk and create safe environments on a global scale. We measure this impact by looking at the…

机器学习 · 计算机科学 2024-01-11 Christian Mulomba Mukendi , Hyebong Choi

The use of online user traces for studies of human mobility has received significant attention in recent years. This growing body of work, and the more general importance of human migration patterns to government and industry, motivates the…

计算机与社会 · 计算机科学 2020-03-10 Derek Ruths , Caitrin Armstrong

Nowadays, new branches of research are proposing the use of non-traditional data sources for the study of migration trends in order to find an original methodology to answer open questions about the human mobility framework. In this context…

社会与信息网络 · 计算机科学 2022-05-04 D. Goglia , L. Pollacci , A. Sirbu

Effective riverine flood forecasting at scale is hindered by a multitude of factors, most notably the need to rely on human calibration in current methodology, the limited amount of data for a specific location, and the computational…

Most studies on the labor market effects of immigration use repeated cross-sectional data to estimate the effects of immigration on regions. This paper shows that such regional effects are composites of effects that address fundamental…

综合经济学 · 经济学 2025-10-29 Christian Dustmann , Sebastian Otten , Uta Schönberg , Jan Stuhler

This study models cross-national attitudes towards immigrants in East and Southeast Asia as a signed and weighted bipartite network of countries and evaluative reactions to a variety of political issues, or determinants. This network is…

物理与社会 · 物理学 2020-04-10 Rachael Kei Kawasaki , Yuichi Ikeda

Trajectory forecasting has become a popular deep learning task due to its relevance for scenario simulation for autonomous driving. Specifically, trajectory forecasting predicts the trajectory of a short-horizon future for specific human…

机器人学 · 计算机科学 2025-03-10 Laura Zheng , Hamidreza Yaghoubi Araghi , Tony Wu , Sandeep Thalapanane , Tianyi Zhou , Ming C. Lin

In recent years, there has been growing interest in leveraging machine learning for homeless service assignment. However, the categorical nature of administrative data recorded for homeless individuals hinders the development of accurate…

机器学习 · 计算机科学 2024-12-13 Khandker Sadia Rahman , Charalampos Chelmis