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In the field of telecommunications, various operations are driven by different physical quantities. Each has its own patterns in time and space, but all show some clustered structures in their spatial distribution. This reflects a unified…

Social and Information Networks · Computer Science 2025-01-17 Liyan Xu , Jintong Tang , Hezhishi Jiang , Hongbin Yu , Yihang Li , Qian Huang , Yinsheng Zhou , Jun Zhang , Yu Liu

Along with the nearing completion of the Square Kilometre Array (SKA), comes an increasing demand for accurate and reliable automated solutions to extract valuable information from the vast amount of data it will allow acquiring. Automated…

Radio channel modeling is one of the most fundamental aspects in the process of designing, optimizing, and simulating wireless communication networks. In this field, long-established approaches such as analytical channel models and ray…

Networking and Internet Architecture · Computer Science 2021-12-16 Benjamin Sliwa , Melina Geis , Caner Bektas , Melisa Lopéz , Preben Mogensen , Christian Wietfeld

Effective knowledge management is critical for preserving institutional expertise and improving the efficiency of workforce training in state transportation agencies. Traditional approaches, such as static documentation, classroom-based…

Computation and Language · Computer Science 2026-03-05 Divija Amaram , Lu Gao , Gowtham Reddy Gudla , Tejaswini Sanjay Katale

Pedestrian attribute recognition (PAR) is a fundamental perception task in intelligent transportation and security. To tackle this fine-grained task, most existing methods focus on extracting regional features to enrich attribute…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Hongyan An , Kuan Zhu , Xin He , Haiyun Guo , Chaoyang Zhao , Ming Tang , Jinqiao Wang

Multi-Access Point Coordination (MAPC) will be a key feature in next generation Wi-Fi 8 networks. MAPC aims to improve the overall network performance by allowing Access Points (APs) to share time, frequency and/or spatial resources in a…

Networking and Internet Architecture · Computer Science 2023-05-09 David Nunez , Malcom Smith , Boris Bellalta

Transportation planning plays a critical role in shaping urban development, economic mobility, and infrastructure sustainability. However, traditional planning methods often struggle to accurately predict long-term urban growth and…

Computer Vision and Pattern Recognition · Computer Science 2025-03-28 Eugene Denteh , Andrews Danyo , Joshua Kofi Asamoah , Blessing Agyei Kyem , Twitchell Addai , Armstrong Aboah

Human mobility prediction is vital for urban services, but often fails to account for abrupt changes from external events. Existing spatiotemporal models struggle to leverage textual descriptions detailing these events. We propose SeMob, an…

Computation and Language · Computer Science 2025-10-03 Runfei Chen , Shuyang Jiang , Wei Huang

A multi-modal framework to generate user intention distributions when operating a mobile vehicle is proposed in this work. The model learns from past observed trajectories and leverages traversability information derived from the visual…

Robotics · Computer Science 2022-03-17 Kavindie Katuwandeniya , Stefan H. Kiss , Lei Shi , Jaime Valls Miro

Retrieval-augmented generation (RAG) has evolved into a family of paradigms with distinct performance profiles and resource demands, turning paradigm selection into a multi-criteria, context-dependent decision problem. Nevertheless,…

Information Retrieval · Computer Science 2026-04-07 Ziqi Wang , Xi Zhu , Shuhang Lin , Haochen Xue , Minghao Guo , Yongfeng Zhang

The service rate region (SRR) has emerged as a critical performance metric for distributed systems that store data redundantly. It measures the system's ability to serve multiple users concurrently. Mathematically, the SRR is a polytope in…

Information Theory · Computer Science 2025-12-12 Hoang Ly , Emina Soljanin

We investigate the properties of a family of polytopes that naturally arise in connection with a problem in distributed data storage, namely service rate region polytopes. The service rate region of a distributed coded system describes the…

Optimization and Control · Mathematics 2024-08-06 Gianira N. Alfarano , Altan B. Kilic , Alberto Ravagnani , Emina Soljanin

Mobile robots navigating in outdoor environments frequently encounter the issue of undesired traces left by dynamic objects and manifested as obstacles on map, impeding robots from achieving accurate localization and effective navigation.…

Robotics · Computer Science 2023-07-26 Zihong Yan , Xiaoyi Wu , Zhuozhu Jian , Bin Lan Xueqian Wang , Bin Liang

Data-driven robotic learning faces an obvious dilemma: robust policies demand large-scale, high-quality demonstration data, yet collecting such data remains a major challenge owing to high operational costs, dependence on specialized…

Robotics · Computer Science 2025-11-13 Yan Huang , Shoujie Li , Xingting Li , Wenbo Ding

Multi-Agent Path Finding (MAPF) involves determining paths for multiple agents to travel simultaneously and collision-free through a shared area toward given goal locations. This problem is computationally complex, especially when dealing…

Artificial Intelligence · Computer Science 2026-03-02 Paul Friedrich , Yulun Zhang , Michael Curry , Ludwig Dierks , Stephen McAleer , Jiaoyang Li , Tuomas Sandholm , Sven Seuken

Reliable traversable area segmentation in unstructured environments is critical for planning and decision-making in autonomous driving. However, existing data-driven approaches often suffer from degraded segmentation performance in…

Computer Vision and Pattern Recognition · Computer Science 2026-01-16 Zhihua Zhao , Guoqiang Li , Chen Min , Kangping Lu

Autonomous navigation in mobile robots, reliant on perception and planning, faces major hurdles in large-scale, complex environments. These include heavy computational burdens for mapping, sensor occlusion failures for UAVs, and traversal…

Robotics · Computer Science 2025-08-08 Hongyu Nie , Xu Liu , Zhaotong Tan , Sen Mei , Wenbo Su

When performing localization and mapping, working at the level of structure can be advantageous in terms of robustness to environmental changes and differences in illumination. This paper presents SegMap: a map representation solution to…

Robotics · Computer Science 2019-01-16 Renaud Dubé , Andrei Cramariuc , Daniel Dugas , Juan Nieto , Roland Siegwart , Cesar Cadena

High-tech giants and start-ups are investing in drone technologies to provide urban air delivery service, which is expected to solve the last-mile problem and mitigate road traffic congestion. However, air delivery service will not scale up…

Multiagent Systems · Computer Science 2022-08-19 Xinyu He , Fang He , Lishuai Li , Lei Zhang , Gang Xiao

The rise of spatiotemporal data and the need for efficient geospatial modeling have spurred interest in automating these tasks with large language models (LLMs). However, general LLMs often generate errors in geospatial code due to a lack…

Software Engineering · Computer Science 2025-04-28 Shuyang Hou , Anqi Zhao , Jianyuan Liang , Zhangxiao Shen , Huayi Wu