4 papers
Algorithms for Influence Maximization in Socio-Physical Networks
Hemant Gehlot, Shreyas Sundaram, Satish V. Ukkusuri
Given a directed graph (representing a social network), the influence maximization problem is to find k nodes which, when influenced (or activated), would maximize the number of re…
Policies for Multi-Agency Recovery of Physical Infrastructure After Disasters
Hemant Gehlot, Shreyas Sundaram, Satish V. Ukkusuri
We consider a scenario where multiple infrastructure components have been damaged after a disaster and the health value of each component continues to deteriorate if it is not bein…
Control Policies for Recovery of Interdependent Systems After Disruptions
Hemant Gehlot, Shreyas Sundaram, Satish V. Ukkusuri
We examine a control problem where the states of the components of a system deteriorate after a disruption, if they are not being repaired by an entity. There exist a set of depend…
Joint modeling of evacuation departure and travel times in hurricanes
Hemant Gehlot, Arif Mohaimin Sadri, Satish V. Ukkusuri
Hurricanes are costly natural disasters periodically faced by households in coastal and to some extent, inland areas. A detailed understanding of evacuation behavior is fundamental…