3 papers
cs.SI2026
Endorsement Without New Evidence: How Sequential Voting Inflates Mandates in Online Community Governance
Zihan Chen, Lei Nico Zheng, Di Zhu
Online communities often treat large support margins in public elections as strong mandates. We argue that such margins can overstate the independent scrutiny behind a decision. Us…
cs.CL2026
When Large Language Models Do Not Work: Online Incivility Prediction through Graph Neural Networks
Zihan Chen, Lanyu Yu
Online incivility has emerged as a widespread and persistent problem in digital communities, imposing substantial social and psychological burdens on users. Although many platforms…
cs.SI2023
Stand for Something or Fall for Everything: Predict Misinformation Spread with Stance-Aware Graph Neural Networks
Zihan Chen, Jingyi Sun, Rong Liu +1
Although pervasive spread of misinformation on social media platforms has become a pressing challenge, existing platform interventions have shown limited success in curbing its dis…