Sergey Malinchik
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View article: Pattern Ensembling for Spatial Trajectory Reconstruction
Pattern Ensembling for Spatial Trajectory Reconstruction Open
Digital sensing provides an unprecedented opportunity to assess and understand mobility. However, incompleteness, missing information, possible inaccuracies, and temporal heterogeneity in the geolocation data can undermine its applicabilit…
View article: Collection and Monitoring via Planning for Active Situational Scenarios (COMPASS) (Strategic Multi-Layer Assessment Report)
Collection and Monitoring via Planning for Active Situational Scenarios (COMPASS) (Strategic Multi-Layer Assessment Report) Open
An emergent type of geopolitical warfare in recent years has been coined "Gray Zone competition," "competition short of armed conflict", or simply "competition," because it sits in a nebulous area between peace and conventional conflict. A…
View article: Pattern and Anomaly Detection in Urban Temporal Networks
Pattern and Anomaly Detection in Urban Temporal Networks Open
Broad spectrum of urban activities including mobility can be modeled as temporal networks evolving over time. Abrupt changes in urban dynamics caused by events such as disruption of civic operations, mass crowd gatherings, holidays and nat…
View article: Twitter Connections Shaping New York City
Twitter Connections Shaping New York City Open
Geo-tagged Twitter has been proven to be a useful proxy for urban mobility, this way helping to understand the structure of the city and the shape of its local neighborhoods. In the present work we approach this problem from another angle …
View article: Vulnerability of Transportation Networks: The New York City Subway System under Simultaneous Disruptive Events
Vulnerability of Transportation Networks: The New York City Subway System under Simultaneous Disruptive Events Open
This paper addresses the topic of transportation network vulnerability within the context of the New York City subway system. We propose a network model for it and an approach based on shortest-path passenger flow simulations in order to q…