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 Synthetic Users Fail: A Cross-Domain Benchmark of LLM-Simulated Human Survey Responses
Zihan Chen, Di Zhu, Lei Nico Zheng
Large language models (LLMs) are increasingly used as synthetic users, stand-ins for human respondents whose simulated answers feed product, policy, and market decisions. We ask wh…
cs.AI2026
FundaPod: A Multi-Persona Agent Pod Platform with Knowledge Graph Memory for AI-Assisted Fundamental Investment Research
Di Zhu, Lei Nico Zheng, Zihan Chen
Large language models (LLMs) are increasingly applied in finance, yet most existing work emphasizes trading signals or financial NLP tasks centered on prediction. Institutional fun…