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Recently, representation learning over graph networks has gained popularity, with various models showing promising results. Despite this, several challenges persist: 1) most methods are designed for static or discrete-time dynamic graphs;…

机器学习 · 计算机科学 2024-04-25 Xiaobo Zhu , Yan Wu , Zhipeng Li , Hailong Su , Jin Che , Zhanheng Chen , Liying Wang

Spatial data is playing an emerging role in new technologies such as web and mobile mapping and Geographic Information Systems (GIS). Important decisions in political, social and many other aspects of modern human life are being made using…

数据库 · 计算机科学 2016-05-17 Bagher Saberi , Nasser Ghadiri

As herd size on dairy farms continues to increase, automatic health monitoring of cows is gaining in interest. Lameness, a prevalent health disorder in dairy cows, is commonly detected by analyzing the gait of cows. A cow's gait can be…

计算机视觉与模式识别 · 计算机科学 2024-01-11 Helena Russello , Rik van der Tol , Gert Kootstra

Human mobility analysis at urban-scale requires models to represent the complex nature of human movements, which in turn are affected by accessibility to nearby points of interest, underlying socioeconomic factors of a place, and local…

社会与信息网络 · 计算机科学 2025-04-07 Sinjini Mitra , Anuj Srivastava , Avipsa Roy , Pavan Turaga

As data grows in size and complexity, finding frameworks which aid in interpretation and analysis has become critical. This is particularly true when data comes from complex systems where extensive structure is available, but must be drawn…

机器学习 · 计算机科学 2021-05-24 Henry Kvinge , Brett Jefferson , Cliff Joslyn , Emilie Purvine

Careful placement of a computational application within a target device cluster is critical for achieving low application completion time. The problem is challenging due to its NP-hardness and combinatorial nature. In recent years,…

Multivariate time series forecasting with hierarchical structure is widely used in real-world applications, e.g., sales predictions for the geographical hierarchy formed by cities, states, and countries. The hierarchical time series (HTS)…

机器学习 · 计算机科学 2023-10-10 Fan Zhou , Chen Pan , Lintao Ma , Yu Liu , Shiyu Wang , James Zhang , Xinxin Zhu , Xuanwei Hu , Yunhua Hu , Yangfei Zheng , Lei Lei , Yun Hu

Human motion prediction (HMP) has emerged as a popular research topic due to its diverse applications, but it remains a challenging task due to the stochastic and aperiodic nature of future poses. Traditional methods rely on hand-crafted…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Jiexin Wang , Yujie Zhou , Wenwen Qiang , Ying Ba , Bing Su , Ji-Rong Wen

In this paper, we study the problem of optimizing the size and mix of a mixed fleet of electric and conventional vehicles owned by firms providing urban freight logistics services. Uncertain customer requests are considered at the strategic…

最优化与控制 · 数学 2020-09-03 Satya S. Malladi , Jonas M. Christensen , David Ramrez , Allan Larsen , Dario Pacino

Distributed systems often serve dynamic workloads and resource demands evolve over time. Such a temporal behavior stands in contrast to the static and demand-oblivious nature of most data structures used by these systems. In this paper, we…

分布式、并行与集群计算 · 计算机科学 2024-11-19 Arash Pourdamghani , Chen Avin , Robert Sama , Maryam Shiran , Stefan Schmid

With intelligent room-side sensing and service robots widely deployed, human motion prediction (HMP) is essential for safe, proactive assistance. However, many existing HMP methods either produce a single, deterministic forecast that…

计算机视觉与模式识别 · 计算机科学 2025-12-02 Junqiao Fan , Pengfei Liu , Haocong Rao

Next location prediction is of great importance for many location-based applications and provides essential intelligence to business and governments. In existing studies, a common approach to next location prediction is to learn the…

人工智能 · 计算机科学 2020-03-18 Qingjie Liu , Yixuan Zuo , Xiaohui Yu , Meng Chen

The increased availability of large-scale trajectory data around the world provides rich information for the study of urban dynamics. For example, New York City Taxi Limousine Commission regularly releases source-destination information…

机器学习 · 计算机科学 2015-12-31 Hongjian Wang , Zhenhui Li , Yu-Hsuan Kuo , Dan Kifer

In this paper, we present results on improving out-of-domain weather prediction and uncertainty estimation as part of the \texttt{Shifts Challenge on Robustness and Uncertainty under Real-World Distributional Shift} challenge. We find that…

机器学习 · 计算机科学 2024-01-10 Sankalp Gilda , Neel Bhandari , Wendy Mak , Andrea Panizza

Human Trajectory Forecasting (HTF) predicts future human movements from past trajectories and environmental context, with applications in Autonomous Driving, Smart Surveillance, and Human-Robot Interaction. While prior work has focused on…

计算机视觉与模式识别 · 计算机科学 2026-02-13 Manuel Hetzel , Kerim Turacan , Hannes Reichert , Konrad Doll , Bernhard Sick

We consider hundreds of thousands of individual economic transactions to ask: how predictable are consumers in their merchant visitation patterns? Our results suggest that, in the long-run, much of our seemingly elective activity is…

物理与社会 · 物理学 2013-05-07 Coco Krumme , Alejandro Llorente , Manuel Cebrián , Alex , Pentland , Esteban Moro

Users' locations are important for many applications such as personalized search and localized content delivery. In this paper, we study the problem of profiling Twitter users' locations with their following network and tweets. We propose a…

数据库 · 计算机科学 2012-08-02 Rui Li , Shengjie Wang , Kevin Chen-Chuan Chang

Nowadays, human movement in urban spaces can be traced digitally in many cases. It can be observed that movement patterns are not constant, but vary across time and space. In this work,we characterize such spatio-temporal patterns with an…

社会与信息网络 · 计算机科学 2016-02-11 Lisette Espín-Noboa , Florian Lemmerich , Philipp Singer , Markus Strohmaier

Models simulating household energy demand based on different occupant and household types and their behavioral patterns have received increasing attention over the last years due the need to better understand fundamental characteristics…

综合经济学 · 经济学 2021-01-05 Max Kleinebrahm , Jacopo Torriti , Russell McKenna , Armin Ardone , Wolf Fichtner

In recent years, a vast amount of research has been conducted on learning people's interests from their actions. Yet their collective actions also allow us to learn something about the world, in particular, infer attributes of places people…

社会与信息网络 · 计算机科学 2016-10-25 Shuxin Nie , Abhimanyu Das , Evgeniy Gabrilovich , Wei-Lwun Lu , Boris Mazniker , Chris Schilling