540 citations · 1.6k across the 13 of their papers we have counts for
9 papers · 1 filter
Post Approvals in Online Communities
Manoel Horta Ribeiro, Justin Cheng, Robert West
In many online communities, community leaders (i.e., moderators and administrators) can proactively filter undesired content by requiring posts to be approved before publication. B…
When Do People Trust Their Social Groups?
Xiao Ma, Justin Cheng, Shankar Iyer +1
Trust facilitates cooperation and supports positive outcomes in social groups, including member satisfaction, information sharing, and task performance. Extensive prior research ha…
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…
An Army of Me: Sockpuppets in Online Discussion Communities
Srijan Kumar, Justin Cheng, Jure Leskovec +1
In online discussion communities, users can interact and share information and opinions on a wide variety of topics. However, some users may create multiple identities, or sockpupp…
Anyone Can Become a Troll: Causes of Trolling Behavior in Online Discussions
Justin Cheng, Michael Bernstein, Cristian Danescu-Niculescu-Mizil +1
In online communities, antisocial behavior such as trolling disrupts constructive discussion. While prior work suggests that trolling behavior is confined to a vocal and antisocial…
Do Cascades Recur?
Justin Cheng, Lada A Adamic, Jon Kleinberg +1
Cascades of information-sharing are a primary mechanism by which content reaches its audience on social media, and an active line of research has studied how such cascades, which f…
Antisocial Behavior in Online Discussion Communities
Justin Cheng, Cristian Danescu-Niculescu-Mizil, Jure Leskovec
User contributions in the form of posts, comments, and votes are essential to the success of online communities. However, allowing user participation also invites undesirable behav…
How Community Feedback Shapes User Behavior
Justin Cheng, Cristian Danescu-Niculescu-Mizil, Jure Leskovec
Social media systems rely on user feedback and rating mechanisms for personalization, ranking, and content filtering. However, when users evaluate content contributed by fellow use…
Can Cascades be Predicted?
Justin Cheng, Lada A. Adamic, P. Alex Dow +2
On many social networking web sites such as Facebook and Twitter, resharing or reposting functionality allows users to share others' content with their own friends or followers. As…