Publications (11)
Do Diffusion Protocols Govern Cascade Growth?
Justin Cheng, Jon Kleinberg, Jure Leskovec +4
Large cascades can develop in online social networks as people share information with one another. Though simple reshare cascades have been studied extensively, the full range of c…
People, Places, and Ties: Landscape of social places and their social network structures
Jaehyuk Park, Bogdan State, Monica Bhole +2
Due to their essential role as places for socialization, "third places" - social places where people casually visit and communicate with friends and neighbors - have been studied b…
Community gifting groups on Facebook
Amaç HerdaÄdelen, Lada Adamic, Bogdan State
We use de-identified data from Facebook Groups to study and provide a descriptive analysis of local gift-giving communities, in particular buy nothing (BN) groups. These communitie…
Detecting and Quantifying Malicious Activity with Simulation-based Inference
Andrew Gambardella, Bogdan State, Naeemullah Khan +3
We propose the use of probabilistic programming techniques to tackle the malicious user identification problem in a recommendation algorithm. Probabilistic programming provides num…
The Mesh of Civilizations and International Email Flows
Bogdan State, Patrick Park, Ingmar Weber +2
In The Clash of Civilizations, Samuel Huntington argued that the primary axis of global conflict was no longer ideological or economic but cultural and religious, and that this div…
VibrantVS: A high-resolution multi-task transformer for forest canopy height estimation
Tony Chang, Kiarie Ndegwa, Andreas Gros +8
This paper explores the application of a novel multi-task vision transformer (ViT) model for the estimation of canopy height models (CHMs) using 4-band National Agriculture Imagery…
The Geography of Facebook Groups in the United States
Amaç HerdaÄdelen, Lada Adamic, Bogdan State
We use exploratory factor analysis to investigate the online persistence of known community-level patterns of social capital variance in the U.S. context. Our analysis focuses on F…
Online Appendix & Additional Results for The Determinants of Social Connectedness in Europe
Michael Bailey, Drew Johnston, Theresa Kuchler +3
In this online appendix we provide additional information and analyses to support "The Determinants of Social Connectedness in Europe." We include a number of case studies illustra…
The Structure of U.S. College Networks on Facebook
Jan Overgoor, Bogdan State, Lada Adamic
Anecdotally, social connections made in university have life-long impact. Yet knowledge of social networks formed in college remains episodic, due in large part to the difficulty a…
The dynamics of U.S. college network formation on Facebook
Jan Overgoor, Bogdan State, Lada Adamic
In the U.S., a significant portion of many people's life-long social networks is formed in college. Yet our understanding of many aspects of this formation process, such as the rol…
Reading the Source Code of Social Ties
Luca Maria Aiello, Rossano Schifanella, Bogdan State
Though online social network research has exploded during the past years, not much thought has been given to the exploration of the nature of social links. Online interactions have…