740 citations · 2.1k across the 64 of their papers we have counts for
4 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…
The impact of random actions on opinion dynamics
Amir Leshem, Anna Scaglione
Opinion dynamics have fascinated researchers for centuries. The ability of societies to learn as well as the emergence of irrational {\it herding} are equally evident. The simplest…
Active Sensing of Social Networks
Hoi-To Wai, Anna Scaglione, Amir Leshem
This paper develops an active sensing method to estimate the relative weight (or trust) agents place on their neighbors' information in a social network. The model used for the reg…
The Social System Identification Problem
Hoi-To Wai, Anna Scaglione, Amir Leshem
The focus of this paper is modeling what we call a Social Radar, i.e. a method to estimate the relative influence between social agents, by sampling their opinions and as they evol…