Search Results - "Ukkusuri, Satish V."

Non-compulsory measures sufficiently reduced human mobility in Tokyo during the COVID-19 epidemic by Yabe, Takahiro, Tsubouchi, Kota, Fujiwara, Naoya, Wada, Takayuki, Sekimoto, Yoshihide, Ukkusuri, Satish V.

“…While large scale mobility data has become a popular tool to monitor the mobility patterns during the COVID-19 pandemic, the impacts of non-compulsory measures…”
Get full text

Urban activity pattern classification using topic models from online geo-location data by Hasan, Samiul, Ukkusuri, Satish V.

“…•Geo-location data from social media has potential for activity-travel analysis.•Identifies the limitations of geo-location data for activity-based…”
Get full text

A linear programming formulation for autonomous intersection control within a dynamic traffic assignment and connected vehicle environment by Zhu, Feng, Ukkusuri, Satish V.

“…•Develops a linear programming formulation for autonomous intersection.•It also accounts for system optimal route choice behavior.•Intersection safety is…”
Get full text

Citywide Traffic Volume Estimation Using Trajectory Data by Xianyuan Zhan, Yu Zheng, Xiuwen Yi, Ukkusuri, Satish V.

“…Traffic volume estimation at the city scale is an important problem useful to many transportation operations and urban applications. This paper proposes a…”
Get full text

Location contexts of user check-ins to model urban geo life-style patterns by Hasan, Samiul, Ukkusuri, Satish V

“…Geo-location data from social media offers us information, in new ways, to understand people's attitudes and interests through their activity choices. In this…”
Get full text

The role of social capital, personal networks, and emergency responders in post-disaster recovery and resilience: a study of rural communities in Indiana by Sadri, Arif Mohaimin, Ukkusuri, Satish V., Lee, Seungyoon, Clawson, Rosalee, Aldrich, Daniel, Nelson, Megan Sapp, Seipel, Justin, Kelly, Daniel

“…The factors that explain the speed of recovery after disaster remain contested. While many have argued that physical infrastructure, social capital, and…”
Get full text

Investigating the effects of vaccine on COVID-19 disease propagation using a Bayesian approach by Ling, Lu, Ukkusuri, Satish V.

“…The causal impact of COVID-19 vaccine coverage on effective reproduction number R ( t ) under the disease control measures in the real-world scenario is…”
Get full text

The Role of Social Networks and Information Sources on Hurricane Evacuation Decision Making by Sadri, Arif Mohaimin, Ukkusuri, Satish V, Gladwin, Hugh

“…AbstractHurricanes often threaten to have catastrophic impacts on the lives of residents in coastal areas of the U.S. Timely evacuation limits this impact, but…”
Get full text

Scaling of contact networks for epidemic spreading in urban transit systems by Qian, Xinwu, Sun, Lijun, Ukkusuri, Satish V.

“…Improved mobility not only contributes to more intensive human activities but also facilitates the spread of communicable disease, thus constituting a major…”
Get full text

Understanding post-disaster population recovery patterns by Yabe, Takahiro, Tsubouchi, Kota, Fujiwara, Naoya, Sekimoto, Yoshihide, Ukkusuri, Satish V

“…Despite the rising importance of enhancing community resilience to disasters, our understandings on when, how and why communities are able to recover from such…”
Get full text

A Graph-Based Approach to Measuring the Efficiency of an Urban Taxi Service System by Xianyuan Zhan, Xinwu Qian, Ukkusuri, Satish V.

“…Taxi service systems in big cities are immensely complex due to the interaction and self-organization between taxi drivers and passengers. An inefficient taxi…”
Get full text

Spatiotemporal contact density explains the disparity of COVID-19 spread in urban neighborhoods by Verma, Rajat, Yabe, Takahiro, Ukkusuri, Satish V.

“…The rapid early spread of COVID-19 in the US was experienced very differently by different socioeconomic groups and business industries. In this study, we…”
Get full text

Spatiotemporal Patterns of Urban Human Mobility by Hasan, Samiul, Schneider, Christian M., Ukkusuri, Satish V., González, Marta C.

“…The modeling of human mobility is adopting new directions due to the increasing availability of big data sources from human activity. These sources enclose…”
Get full text

Spatial structure of city population growth by Reia, Sandro M., Rao, P. Suresh C., Barthelemy, Marc, Ukkusuri, Satish V.

“…We show here that population growth, resolved at the county level, is spatially heterogeneous both among and within the U.S. metropolitan statistical areas…”
Get full text

Spatiotemporal impacts of human activities and socio-demographics during the COVID-19 outbreak in the US by Ling, Lu, Qian, Xinwu, Guo, Shuocheng, Ukkusuri, Satish V

“…Understanding non-epidemiological factors is essential for the surveillance and prevention of infectious diseases, and the factors are likely to vary spatially…”
Get full text

Quantifying the economic impact of disasters on businesses using human mobility data: a Bayesian causal inference approach by Yabe, Takahiro, Zhang, Yunchang, Ukkusuri, Satish V.

“…In recent years, extreme shocks, such as natural disasters, are increasing in both frequency and intensity, causing significant economic loss to many cities…”
Get full text

Analysis of hurricane evacuee mode choice behavior by Sadri, Arif Mohaimin, Ukkusuri, Satish V., Murray-Tuite, Pamela, Gladwin, Hugh

“…•We model the mode choice decisions of evacuees from Miami Beach using different non-household transportation modes.•All else being equal, evacuees are more…”
Get full text

Exploring the determinants of pedestrian–vehicle crash severity in New York City by Aziz, H.M. Abdul, Ukkusuri, Satish V., Hasan, Samiul

“…► Developed a random parameter model for understanding pedestrian–vehicle crash severity. ► Modeling was conducted at both the aggregate and disaggregate…”
Get full text

Comparison of home detection algorithms using smartphone GPS data by Verma, Rajat, Mittal, Shagun, Lei, Zengxiang, Chen, Xiaowei, Ukkusuri, Satish V.

“…Estimation of people’s home locations using location-based services data from smartphones is a common task in human mobility assessment. However, commonly used…”
Get full text

A link criticality approach for pedestrian network design to promote walking by Verma, Rajat, Ukkusuri, Satish V.

“…Measures of walkability generally do not provide a detailed quantitative assessment of pedestrian infrastructure development prioritization. In this study, a…”
Get full text