Výsledky vyhľadávania - "Ukkusuri, Satish V"

A linear programming formulation for autonomous intersection control within a dynamic traffic assignment and connected vehicle environment Autor 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…”
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Urban activity pattern classification using topic models from online geo-location data Autor 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…”
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The role of social capital, personal networks, and emergency responders in post-disaster recovery and resilience: a study of rural communities in Indiana Autor 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…”
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Location Contexts of User Check-Ins to Model Urban Geo Life-Style Patterns Autor 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…”
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Citywide Traffic Volume Estimation Using Trajectory Data Autor 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…”
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Non-compulsory measures sufficiently reduced human mobility in Tokyo during the COVID-19 epidemic Autor 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…”
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Understanding post-disaster population recovery patterns Autor 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…”
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Mobile phone location data for disasters: A review from natural hazards and epidemics Autor Yabe, Takahiro, Jones, Nicholas K.W., Rao, P. Suresh C., Gonzalez, Marta C., Ukkusuri, Satish V.

“…Rapid urbanization and climate change trends, intertwined with complex interactions of various social, economic, and political factors, have resulted in an…”
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Scaling of contact networks for epidemic spreading in urban transit systems Autor 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…”
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A Graph-Based Approach to Measuring the Efficiency of an Urban Taxi Service System Autor 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…”
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Spatial structure of city population growth Autor 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…”
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Investigating the effects of vaccine on COVID-19 disease propagation using a Bayesian approach Autor 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…”
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Spatiotemporal contact density explains the disparity of COVID-19 spread in urban neighborhoods Autor 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…”
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Spatiotemporal impacts of human activities and socio-demographics during the COVID-19 outbreak in the US Autor Ling, Lu, Qian, Xinwu, Guo, Shuocheng, Ukkusuri, Satish V.

“…Background Understanding non-epidemiological factors is essential for the surveillance and prevention of infectious diseases, and the factors are likely to…”
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Quantifying the economic impact of disasters on businesses using human mobility data: a Bayesian causal inference approach Autor 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…”
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Spatiotemporal Patterns of Urban Human Mobility Autor 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…”
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Early warning of COVID-19 hotspots using human mobility and web search query data Autor Yabe, Takahiro, Tsubouchi, Kota, Sekimoto, Yoshihide, Ukkusuri, Satish V.

“…COVID-19 has disrupted the global economy and well-being of people at an unprecedented scale and magnitude. To contain the disease, an effective early warning…”
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Analysis of hurricane evacuee mode choice behavior Autor 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…”
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Spatial Access of America: Multiple indicators of accessibility to opportunities Autor Verma, Rajat, Mittal, Shagun, Ukkusuri, Satish V.

“…Spatial measures of accessibility are widely used in urban and transportation planning to understand the impact of the transportation system on influencing…”
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Exploring the determinants of pedestrian–vehicle crash severity in New York City Autor 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…”
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