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Cooperative multi-robot tasks can benefit from heterogeneity in the robots' physical and behavioral traits. In spite of this, traditional Multi-Agent Reinforcement Learning (MARL) frameworks lack the ability to explicitly accommodate policy…

机器人学 · 计算机科学 2023-01-19 Matteo Bettini , Ajay Shankar , Amanda Prorok

There is a lack of research on the analysis of per-user traffic in cellular networks, for deriving and following traffic-aware network management. \textcolor{black}{In fact, the legacy design approach, in which resource provisioning and…

系统与控制 · 电气工程与系统科学 2021-11-03 Amin Azari , Fateme Salehi , Panagiotis Papapetrou , Cicek Cavdar

In recent years, studying and predicting alternative mobility (e.g., sharing services) patterns in urban environments has become increasingly important as accurate and timely information on current and future vehicle flows can successfully…

机器学习 · 计算机科学 2021-08-19 Stefano Fiorini , Michele Ciavotta , Andrea Maurino

Temporal drift of sensory data is a severe problem impacting the data quality of wireless sensor networks (WSNs). With the proliferation of large-scale and long-term WSNs, it is becoming more important to calibrate sensors when the ground…

机器学习 · 计算机科学 2017-07-13 Yuzhi Wang , Anqi Yang , Xiaoming Chen , Pengjun Wang , Yu Wang , Huazhong Yang

Accurately and reliably positioning pedestrians in satellite-denied conditions remains a significant challenge. Pedestrian dead reckoning (PDR) is commonly employed to estimate pedestrian location using low-cost inertial sensor. However,…

机器人学 · 计算机科学 2023-09-06 Zongyang Chen , Xianfei Pan , Changhao Chen

Dynamic demand prediction is crucial for the efficient operation and management of urban transportation systems. Extensive research has been conducted on single-mode demand prediction, ignoring the fact that the demands for different…

机器学习 · 计算机科学 2022-09-02 Yuebing Liang , Guan Huang , Zhan Zhao

As a core task in intelligent transportation systems, traffic forecasting plays a critical role in urban traffic management. Accurate traffic forecasting relies on modeling complex spatiotemporal dependencies, which is inherently…

人工智能 · 计算机科学 2026-05-26 Ruiwen Gu , Yahao Liu , Zhenyu Liu , Qitai Tan , Xiao-Ping Zhang

With the fast development of various positioning techniques such as Global Position System (GPS), mobile devices and remote sensing, spatio-temporal data has become increasingly available nowadays. Mining valuable knowledge from…

机器学习 · 计算机科学 2019-06-25 Senzhang Wang , Jiannong Cao , Philip S. Yu

The growing use of composite materials in engineering applications has accelerated the demand for computational methods to accurately predict their complex behavior. Multiscale modeling based on computational homogenization is a potentially…

For the past 40 years, cellular industry has been relying on static radio access deployments with gross over-provisioning. However, to meet the exponentially growing volumes of irregular data, the very notion of a cell will have to be…

网络与互联网体系结构 · 计算机科学 2019-04-29 Sergey Andreev , Vitaly Petrov , Mischa Dohler , Halim Yanikomeroglu

Multimodal image registration is a fundamental task and a prerequisite for downstream cross-modal analysis. Despite recent progress in shared feature extraction and multi-scale architectures, two key limitations remain. First, some methods…

计算机视觉与模式识别 · 计算机科学 2026-03-23 Chunlei Zhang , Jiahao Xia , Yun Xiao , Bo Jiang , Jian Zhang

Hidden Markov models (HMMs) are commonly used for disease progression modeling when the true patient health state is not fully known. Since HMMs typically have multiple local optima, incorporating additional patient covariates can improve…

机器学习 · 统计学 2021-10-05 Matt Baucum , Anahita Khojandi , Theodore Papamarkou

Accurate path loss (PL) modeling is essential for evaluating and optimizing cell-free massive MIMO systems, especially in dense urban environments where traditional models fail to capture the complexity of real-world propagation. This paper…

信号处理 · 电气工程与系统科学 2025-12-01 Thomas Choi , Yuning Zhang , Issei Kanno , Masaaki Ito , Andreas F. Molisch

Accurate modeling of human mobility is critical for understanding epidemic spread and deploying timely interventions. In this work, we leverage a large-scale spatio-temporal dataset collected from Peru's national Digital Contact Tracing…

机器学习 · 计算机科学 2026-02-26 Chuan Li , Jiang You , Hassine Moungla , Vincent Gauthier , Miguel Nunez-del-Prado , Hugo Alatrista-Salas

Modeling spatial relationship in the data remains critical across many different tasks, such as image classification, semantic segmentation and protein structure understanding. Previous works often use a unified solution like relative…

机器学习 · 计算机科学 2022-11-24 Minghao Xu , Yuanfan Guo , Yi Xu , Jian Tang , Xinlei Chen , Yuandong Tian

In recent years, self-supervised learning has attracted widespread academic debate and addressed many of the key issues of computer vision. The present research focus is on how to construct a good agent task that allows for improved network…

计算机视觉与模式识别 · 计算机科学 2023-03-14 Zhijie Xiao , Zhicheng Dong , Hao Xiang

Context-aware Human Activity Recognition (CHAR) is challenging due to the need to recognize the user's current activity from signals that vary significantly with contextual factors such as phone placements and the varied styles with which…

机器学习 · 计算机科学 2024-09-27 Wen Ge , Guanyi Mou , Emmanuel O. Agu , Kyumin Lee

Cellular traffic prediction is of great importance for operators to manage network resources and make decisions. Traffic is highly dynamic and influenced by many exogenous factors, which would lead to the degradation of traffic prediction…

机器学习 · 计算机科学 2025-06-23 Hui Ma , Kai Yang , Man-On Pun

GNSS localization using everyday mobile devices is challenging in urban environments, as ranging errors caused by the complex propagation of satellite signals and low-quality onboard GNSS hardware are blamed for undermining positioning…

机器学习 · 计算机科学 2025-11-12 Xu Weng , K. V. Ling , Haochen Liu , Bingheng Wang , Kun Cao

Mobile devices have become essential for capturing human activity, and eXtended Data Records (XDRs) offer rich opportunities for detailed user behavior modeling, which is useful for designing personalized digital services. Previous studies…

网络与互联网体系结构 · 计算机科学 2025-03-25 Anne Josiane Kouam , Aline Carneiro Viana , Mariano G. Beiró , Leo Ferres , Luca Pappalardo