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In large venues like shopping malls and airports, knowledge on the indoor populations fuels applications such as business analytics, venue management, and safety control. In this work, we provide means of modeling populations in partitions…

Databases · Computer Science 2024-10-30 Xiao Li , Huan Li , Hua Lu , Christian S. Jensen

Situational awareness is crucial for effective disaster management. However, obtaining information about the actual situation is usually difficult and time-consuming. While there has been some effort in terms of incorporating the affected…

Social and Information Networks · Computer Science 2013-01-11 Sander Wozniak , Michael Rossberg , Guenter Schaefer

Evacuee routing algorithms in emergency typically adopt one single criterion to compute desired paths and ignore the specific requirements of users caused by different physical strength, mobility and level of resistance to hazard. In this…

Other Computer Science · Computer Science 2015-01-23 Olumide J. Akinwande , Huibo Bi

Social navigation and pedestrian behavior research has shifted towards machine learning-based methods and converged on the topic of modeling inter-pedestrian interactions and pedestrian-robot interactions. For this, large-scale datasets…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Allan Wang , Daisuke Sato , Yasser Corzo , Sonya Simkin , Abhijat Biswas , Aaron Steinfeld

This work contributes to the discussion on how innovative data can support a fast crisis response. We use operational data from Facebook to gain useful insights on where people fleeing Ukraine following the Russian invasion are likely to be…

Monitoring urban structure and development requires high-quality data at high spatiotemporal resolution. While traditional censuses have provided foundational insights into demographic and socioeconomic aspects of urban life, their pace may…

Physics and Society · Physics 2024-03-20 Gezhi Xiu , Jianying Wang , Thilo Gross , Mei-Po Kwan , Xia Peng , Yu Liu

Living in a changing climate, human society now faces more frequent and severe natural disasters than ever before. As a consequence, rapid disaster response during the "Golden 72 Hours" of search and rescue becomes a vital humanitarian…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Hao Li , Liwei Zou , Wenping Yin , Gulsen Taskin , Naoto Yokoya , Danfeng Hong , Wufan Zhao

Although people spend most of their time indoors, outdoor tracking systems, such as the Global Positioning System (GPS), are predominantly used for location-based services. These systems are accurate outdoors, easy to use, and operate…

Emerging Technologies · Computer Science 2024-10-04 Alpha Diallo , Benoit Garbinato

Recent wide-spread adoption of electronic and pervasive technologies has enabled the study of human behavior at an unprecedented level, uncovering universal patterns underlying human activity, mobility, and inter-personal communication. In…

Physics and Society · Physics 2018-11-21 Alejandro Llorente , Manuel Garcia-Herranz , Manuel Cebrian , Esteban Moro

Understanding how people move in the urban area is important for solving urbanization issues, such as traffic management, urban planning, epidemic control, and communication network improvement. Leveraging recent availability of large…

Social and Information Networks · Computer Science 2019-05-27 Yuren Zhou , Billy Pik Lik Lau , Chau Yuen , Bige Tunçer , Erik Wilhelm

The integration of social media and artificial intelligence (AI) into disaster management, particularly for earthquake response, represents a profound evolution in emergency management practices. In the digital age, real-time information…

Computers and Society · Computer Science 2025-01-28 Kalin Kopanov , Velizar Varbanov , Tatiana Atanasova

Crowd monitoring and analysis in mass events are highly important technologies to support the security of attending persons. Proposed methods based on terrestrial or airborne image/video data often fail in achieving sufficiently accurate…

Computer Vision and Pattern Recognition · Computer Science 2013-04-24 Roland Perko , Thomas Schnabel , Gerald Fritz , Alexander Almer , Lucas Paletta

Data on human spatial distribution and movement is essential for understanding and analyzing social systems. However existing sources for this data are lacking in various ways; difficult to access, biased, have poor geographical or temporal…

Social and Information Networks · Computer Science 2016-06-22 Mark Dredze , Manuel García-Herranz , Alex Rutherford , Gideon Mann

Meta-population networks are effective tools for capturing population movement across distinct regions, but the assumption of well-mixed regions fails to capture the reality of population higher-order interactions. As a multidimensional…

Physics and Society · Physics 2024-06-18 Yanyi Nie , Yanbing Liu , Qixuan Cao , Tao Lin , Wei Wang

We present longitudinal analysis of the evolution of inter-organizational disaster coordination networks during natural disasters. We suggest that social networks are a useful paradigm for exploring this complex phenomenon from both…

Social and Information Networks · Computer Science 2015-03-31 Alireza Abbasi , Liaquat Hossain , Naim Kapucu

The sustainability of the academic ecosystem relies on researcher demographics and gender balance, yet assessing these dynamics in a timely manner for policy is challenging. Here, we propose a researcher population pyramid framework for…

Digital Libraries · Computer Science 2026-03-17 Kazuki Nakajima , Takayuki Mizuno

The proliferation of smartphones and wearable devices has increased the availability of large amounts of geospatial streams to provide significant automated discovery of knowledge in pervasive environments, but most prominent information…

Social and Information Networks · Computer Science 2019-02-15 Bhaskar Gautam , Annappa Basava , Abhishek Singh , Amit Agrawal

In Turkey the increasing tension, due to the presence of 3.4 million Syrian refugees, demands the formulation of effective integration policies. Moreover, their design requires tools aimed at understanding the integration of refugees…

Computers and Society · Computer Science 2019-07-17 Antonio L. Alfeo , Mario G. C. A. Cimino , Bruno Lepri , Alex 'Sandy' Pentland , Gigliola Vaglini

Studies of human mobility increasingly rely on digital sensing, the large-scale recording of human activity facilitated by digital technologies. Questions of variability and population representativity, however, in patterns seen from these…

Physics and Society · Physics 2018-09-06 Enwei Zhu , Maham Khan , Philipp Kats , Shreya Santosh Bamne , Stanislav Sobolevsky

Creating a Digital Twin (DT) for Healthcare Intelligent Transportation Systems (HITS) is a hot research trend focusing on enhancing HITS management, particularly in emergencies where ambulance vehicles must arrive at the crash scene on time…

Machine Learning · Computer Science 2025-02-06 Sarah Al-Shareeda , Yasar Celik , Bilge Bilgili , Ahmed Al-Dubai , Berk Canberk