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Alexander G. Nikolaev
Researcher at University at Buffalo
Publications - 66
Citations - 1214
Alexander G. Nikolaev is an academic researcher from University at Buffalo. The author has contributed to research in topics: Social network & Population. The author has an hindex of 17, co-authored 65 publications receiving 909 citations. Previous affiliations of Alexander G. Nikolaev include Northwestern University & State University of New York System.
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Predicting long-term product ratings based on few early ratings and user base analysis
TL;DR: It is demonstrated that the proposed Bayesian Network and the Linear Regression models are particularly effective in making accurate predictions around the time of product introduction when the information about the prospective, future ratings is especially valuable.
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Designing for flexibility in aviation security systems
TL;DR: An overview of aviation security issues is provided, with a particular focus on what can be done to address the uncertainty inherent within such systems, and where flexibility in security operations and procedures can be used to mitigate such risks.
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Violent conflict and online segregation: An analysis of social network communication across Ukraine's regions
TL;DR: In this paper, the authors studied the effects of social conflicts on online social ties between Ukrainian provinces and found that the intensity of military conflict entices online activism, but activates regional rather than nation-wide network connections.
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Low-Cost Sensor System Design for In-Home Physical Activity Tracking
TL;DR: It is determined that using three to four doorway sensors can be used to effectively capture a sufficient amount of movements in order to estimate activity and identify physical activity levels of older adults.
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A review of risk-based security and its impact on TSA PreCheck
TL;DR: The literature that supports policies for risk-based passenger screening procedures is reviewed and the analytical analysis leading up to the launch (in October 2011) of the TSA Precheck program is chronicles, as a first step toward implementing a risk- based security strategy for passenger and baggage screening.