Publications (9)
The Role of Social Networks in Information Diffusion
Eytan Bakshy, Itamar Rosenn, Cameron Marlow +1
Online social networking technologies enable individuals to simultaneously share information with any number of peers. Quantifying the causal effect of these technologies on the di…
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…
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…
Mitigating Overexposure in Viral Marketing
Rediet Abebe, Lada Adamic, Jon Kleinberg
In traditional models for word-of-mouth recommendations and viral marketing, the objective function has generally been based on reaching as many people as possible. However, a numb…
Social Catalysts: Characterizing People Who Spark Conversations Among Others
Martin Saveski, Farshad Kooti, Sylvia Morelli Vitousek +3
People assume different and important roles within social networks. Some roles have received extensive study: that of influencers who are well-connected, and that of brokers who br…
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…
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…
The Lifecycles of Apps in a Social Ecosystem
Isabel Kloumann, Lada Adamic, Jon Kleinberg +1
Apps are emerging as an important form of on-line content, and they combine aspects of Web usage in interesting ways --- they exhibit a rich temporal structure of user adoption and…