740 citations · 2.1k across the 64 of their papers we have counts for
5 papers · 1 filter
Blind Community Detection from Low-rank Excitations of a Graph Filter
Hoi-To Wai, Santiago Segarra, Asuman E. Ozdaglar +2
This paper considers a new framework to detect communities in a graph from the observation of signals at its nodes. We model the observed signals as noisy outputs of an unknown net…
Low-Resolution Fault Localization Using Phasor Measurement Units with Community Detection
Mahdi Jamei, Anna Scaglione, Sean Peisert
A significant portion of the literature on fault localization assumes (more or less explicitly) that there are sufficient reliable measurements to guarantee that the system is obse…
Accelerating Incremental Gradient Optimization with Curvature Information
Hoi-To Wai, Wei Shi, Cesar A. Uribe +2
This paper studies an acceleration technique for incremental aggregated gradient ({\sf IAG}) method through the use of \emph{curvature} information for solving strongly convex fini…
Continuous Time Multi-stage Stochastic Reserve and Unit Commitment
Kári Hreinsson, Bita Analui, Anna Scaglione
In this paper we introduce a continuous time multi stage stochastic optimization for scheduling generating units, their commitment, reserve capacities and their continuous time gen…
SUCAG: Stochastic Unbiased Curvature-aided Gradient Method for Distributed Optimization
Hoi-To Wai, Nikolaos M. Freris, Angelia Nedic +1
We propose and analyze a new stochastic gradient method, which we call Stochastic Unbiased Curvature-aided Gradient (SUCAG), for finite sum optimization problems. SUCAG constitutes…