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In the aftermath of an extreme natural hazard, community residents must have access to functioning food retailers to maintain food security. Food security is dependent on supporting critical infrastructure systems, including electricity,…

Computational Engineering, Finance, and Science · Computer Science 2018-05-16 Saeed Nozhati , Yugandhar Sarkale , Bruce R. Ellingwood , Edwin K. P. Chong , Hussam Mahmoud

Extreme heat and hurricane-induced blackouts could occur simultaneously in the summer, posing great challenges to community health and well-being. Cooling centers serve as a key adaptation strategy to alleviate heat stress, especially among…

Physics and Society · Physics 2025-03-24 Tianle Duan , Fengxiu Zhang , Qingchun Li

During and after disasters, highways provide vital routes for emergency services, relief efforts, and evacuation activities. Thus, a timely and reliable assessment of disaster impacts on highways is critical for decision-makers to quickly…

Social and Information Networks · Computer Science 2019-09-10 Yudi Chen , Qi Wang , Wenying Ji

Access to healthy food is key to maintaining a healthy lifestyle and can be quantified by the distance to the nearest grocery store. However, calculating this distance forces a trade-off between cost and correctness. Accurate route-based…

Methodology · Statistics 2025-10-17 Ashley E. Mullan , P. D. Anh Nguyen , Sarah C. Lotspeich

Rapid urbanization and climate change trends are intertwined with complex interactions of various social, economic, and political factors. The increased trends of disaster risks have recently caused numerous events, ranging from…

Physics and Society · Physics 2021-08-09 Takahiro Yabe , Nicholas K W Jones , P Suresh C Rao , Marta C Gonzalez , Satish V Ukkusuri

Food market accessibility is a critical yet underexplored dimension of food systems, particularly in low- and middle-income countries. In this paper, we present a continent-wide assessment of spatial food market accessibility in Africa,…

In the modern U.S. labor market, digital infrastructures strongly influence how individuals locate opportunities, build skills, and advance wages. Regional differences in computing access, broadband coverage, and digital literacy have…

Computers and Society · Computer Science 2025-11-10 Shaolong Wu

Anticipating the outbreak of a food crisis is crucial to efficiently allocate emergency relief and reduce human suffering. However, existing food insecurity early warning systems rely on risk measures that are often delayed, outdated, or…

Computation and Language · Computer Science 2021-12-01 Ananth Balashankar , Lakshminarayanan Subramanian , Samuel P. Fraiberger

To enable integrating social equity considerations in infrastructure resilience assessments, this study created a new computational multi-agent simulation model which enables integrated assessment of hazard, infrastructure system, and…

Computational Engineering, Finance, and Science · Computer Science 2021-06-09 Amir Esmalian , Wanqiu Wang , Ali Mostafavi

In this study, we utilize data from over 28,000 public charging stations (PCSs) and 5.5 million points of interest across twenty U.S. metropolitan areas to underscore the importance of considering the availability of opportunities when…

Physics and Society · Physics 2024-02-16 Hossein Gazmeh , Yuntao Guo , Xinwu Qian

Major disasters such as wildfire, tornado, hurricane, tropical storm, flooding cause disruptions in infrastructure systems such as power outage, disruption to water supply system, wastewater management, telecommunication failures, and…

Applications · Statistics 2023-02-24 Tasnuba Binte Jamal , Samiul Hasan

There are numerous geo-climatic and human factors that contribute to the occurrence of natural disasters in the real-world scenario. Besides the study of causes and preconditions of such calamities, post-disaster analysis is essential for…

Numerical Analysis · Mathematics 2022-05-26 Sukeerthi Mandyam , Shanmuga Priya , Shalini Suresh , Kavitha Srinivasan

Lifeline infrastructure underpins the continuity of daily life, yet conventional criticality assessments remain largely asset-centric, inferring importance from physical capacity or network topology rather than actual behavioral reliance.…

Computers and Society · Computer Science 2025-12-19 Junwei Ma , Bo Li , Xiangpeng Li , Chenyue Liu , Ali Mostafavi

Understanding the dynamics of food banks' demand from food insecurity is essential in optimizing operational costs and equitable distribution of food, especially when demand is uncertain. Hence, Gaussian Mixture Model (GMM) clustering is…

Applications · Statistics 2022-02-04 Rahul Srinivas Sucharitha , Seokcheon Lee

This study investigates the spatial patterns and temporal variations in outage duration, intensity, and restoration/recovery following the 2024 Hurricane Beryl in Houston, Texas. This historic blackout caused widespread power disruptions…

Computational Engineering, Finance, and Science · Computer Science 2025-01-23 Xiangpeng Li , Junwei Ma , Ali Mostafavi

This study develops a new method to quantify neighborhood activity levels at high spatial and temporal resolutions and test whether, and to what extent, behavioral responses to social distancing policies vary with socioeconomic and…

Computers and Society · Computer Science 2020-08-05 Boyeong Hong , Bartosz Bonczak , Arpit Gupta , Lorna Thorpe , Constantine E. Kontokosta

Current characterization of flood exposure is largely based on residential location of populations; however, location of residence only partially captures the extent to which populations are exposed to flood. An important, though yet…

Applications · Statistics 2023-07-04 Bo Li , Chan Fan , Yu-Heng Chien , Chia-Wei Xsu , Ali Mostafavi

Significant negative impacts are observed in productivity, economy, and social wellbeing because of the reduced human activity due to extreme events. Community resilience is an important and widely used concept to understand the impacts of…

Social and Information Networks · Computer Science 2023-10-02 Tasnuba Binte Jamal , Samiul Hasan

End-stage renal disease patients face a complicated sociomedical situation and rely on various forms of infrastructure for life-sustaining treatment. Disruption of these infrastructures during disasters poses a major threat to their lives.…

Optimization and Control · Mathematics 2023-06-26 Chia-Fu Liu , Ali Mostafavi

In recent years, extreme shocks, such as natural disasters, are increasing in both frequency and intensity, causing significant economic loss to many cities around the world. Quantifying the economic cost of local businesses after extreme…

General Finance · Quantitative Finance 2020-04-24 Takahiro Yabe , Yunchang Zhang , Satish Ukkusuri