Zhenhui Peng — Papers on Cortexa

arxivcs.HC2026-07-22

Associations Between Support-Seekers' Cross-Community Interactions and Their Engagement with Received Comments in Online Health Communities

Shenghan Tan, Daiang Jia, Chunghiu Kong, Tianjian Liu, Zhenhui Peng

Support-seekers' active engagement with received comments, e.g., showing positive sentiment and willingness to improve in the replies, can indicate the success of online health communities (OHCs). Their participation in other communities may correlate with their engagement in OHC…

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arxivcs.HC2026-07-17

Understanding Fortunetelling with Large Language Models in China: User Practices, Perceptions, and Impacts on Beliefs and Decisions

Xueer Lin, Chenyu Li, Shuai Ma, Yuhan Lyu, Zhenhui Peng

Fortunetelling is a cultural practice for navigating uncertainty, often associated with people's beliefs and decisions. Fortunetelling with recent large language models (LLMs) introduces new opportunities and risks. This paper conducts qualitative studies to understand users' pra…

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