Publications

(* indicates an equal contribution)

2026

Changyang He*, Yue Deng*, Alessandro Fabris, Bo Li, Asia Biega.
Value Sensitive Design for Fair Online Recruitment: A Conceptual Framework Informed by Job Seekers’ Fairness Concerns.
To Appear in Proceedings of the ACM on Human-Computer Interaction Volume 10, CSCW (CSCW 2026). arxiv

Changyang He, Nina Baranowska, Josu Andoni Eguíluz Castañeira, Guillem Escriba, Matthias Juentgen, Anna Via, Frederik Zuiderveen Borgesius, Asia Biega.
Multi-party Computation Protocols for Post-Market Fairness Monitoring in Algorithmic Hiring: From Legal Requirements to Computational Designs.
To Appear in Proceedings of the 2026 ACM Conference on Fairness, Accountability, and Transparency (FAccT 2026). arxiv

Yu Yamashita, Lin Kyi, Changyang He, Ankolika De, Maria Antoniak, Yixin Zou, Asia Biega.
Defining the Problem, Setting the Standard? Platform Narratives and Interventions for Digital Well-Being.
To Appear in Proceedings of the 2026 ACM Conference on Fairness, Accountability, and Transparency (FAccT 2026).

Changyang He*, Parnian Jahangirirad*, Lin Kyi, Asia Biega.
When Feasibility of Fairness Audits Relies on Willingness to Share Data: Examining User Acceptance of Multi-Party Computation Protocols for Fairness Monitoring.
To Appear in Proceedings of the 2026 CHI Conference on Human Factors in Computing Systems (CHI 2026). arxiv

Yue Deng, Changyang He, Yixin Zou, Bo Li.
“What If My Face Gets Scanned Without Consent”: Understanding Older Adults’ Experiences with Biometric Payment.
To Appear in Proceedings of the 2026 CHI Conference on Human Factors in Computing Systems (CHI 2026). arxiv

2025

Qingyu Guo, Yuqi Zhang, Kangyu Yuan, Changyang He, Zhenhui Peng, Xiaojuan Ma.
Exploring the Evolvement of User Engagement in Online Creative Community under the Surge of Generative AI: A Case Study of DeviantArt.
Proceedings of the ACM on Human-Computer Interaction Volume 9, CSCW (CSCW 2025). ACM

Zeyu Yang, Zheng Wei, Yang Zhang, Xian Xu, Changyang He, Muzhi Zhou, Pan Hui.
EchoAid: Enhancing Livestream Shopping Accessibility for the DHH Community.
Proceedings of the ACM on Human-Computer Interaction Volume 9, CSCW (CSCW 2025). ACM

Beiyan Cao, Changyang He, Jingling Zhang, Yuru Huang, Muzhi Zhou, Mingming Fan.
Practices and Challenges of Online Love-seeking Among Deaf or Hard of Hearing People: A Case Study in China.
Proceedings of the ACM on Human-Computer Interaction Volume 9, CSCW (CSCW 2025). ACM

Zheng Chen, Yushi Feng, Jisheng Dang, Changyang He, Yue Deng, Hongxi Pu, Haoxuan Li, Bo Li.
IPAD: Inverse Prompt for AI Detection - A Robust and Interpretable LLM-Generated Text Detector.
Proceedings of the 39th Annual Conference on Neural Information Processing Systems (NeurIPS 2025). arxiv

Yue Deng, Changyang He, Yixin Zou, Bo Li.
“Auntie, Please Don’t Fall for Those Smooth Talkers”: How Chinese Younger Family Members Safeguard Seniors from Online Fraud.
Proceedings of the 2025 CHI Conference on Human Factors in Computing Systems (CHI 2025). ACM

Xuechen Zhang, Changyang He, Peng Zhang, Hansu Gu, Ning Gu, Qi Shen, Zhan Hu, Tun Lu.
RemiHaven: Integrating “In-Town” and “Out-of-Town” Peers to Provide Personalized Reminiscence Support for Older Drifters.
Proceedings of the 2025 CHI Conference on Human Factors in Computing Systems (CHI 2025). ACM

Yuanhao Zhang, Yumeng Wang, Xiyuan Wang, Changyang He, Chenliang Huang, Xiaojuan Ma.
CoKnowledge: Supporting Assimilation of Time-synced Collective Knowledge in Online Science Videos.
Proceedings of the 2025 CHI Conference on Human Factors in Computing Systems (CHI 2025). ACM

Junxiang Liao, Zheng Wei, Zeyu Yang, Xian Xu, Pan Hui, Changyang He, Muzhi Zhou.
“Even When Success Seems Impossible, I Keep Streaming”: How Do Chinese Elderly Streamers Interact With Platform Algorithmic (In)visibility.
Proceedings of the 2025 CHI Conference on Human Factors in Computing Systems (CHI 2025). ACM

Zheng Chen, Futian Jiang, Yue Deng, Changyang He, Bo Li.
Meetalk: Retrieval-Augmented and Adaptively Personalized Meeting Summarization with Knowledge Learning from User Corrections.
Proceedings of the 3rd Workshop on Towards Knowledgeable Foundation Models (KnowFM @ ACL 2025). pdf

2024

Changyang He, Yue Deng, Lu He, Qingyu Guo, Yu Zhang, Zhicong Lu, Bo Li.
Engage Wider Audience or Facilitate Quality Answers? a Mixed-methods Analysis of Questioning Strategies for Research Sensemaking on a Community Q&A Site.
Proceedings of the ACM on Human-Computer Interaction Volume 8, CSCW (CSCW 2024). ACM

Changyang He, Lu He, Wenjie Yang, Bo Li.
Images Connect Us Together: Navigating a COVID-19 Local Outbreak in China Through Social Media Images.
Proceedings of the ACM on Human-Computer Interaction Volume 8, CSCW (CSCW 2024). ACM

Yue Deng, Zheng Chen, Changyang He, Zhicong Lu, Bo Li.
Persuasion or Insulting? Unpacking Discursive Strategies of Gender Debate in Everyday Feminism in China.
Proceedings of the 2024 CHI Conference on Human Factors in Computing Systems (CHI 2024). ACM

Junze Li, Changyang He, Jiaxiong Hu, Boyang Jia, Alon Y Halevy, Xiaojuan Ma.
DiaryHelper: Exploring the Use of an Automatic Contextual Information Recording Agent for Elicitation Diary Study.
Proceedings of the 2024 CHI Conference on Human Factors in Computing Systems (CHI 2024). ACM

Qingyu Guo, Kangyu Yuan, Changyang He, Zhenhui Peng, Xiaojuan Ma.
Exploring the Evolvement of Artwork Descriptions in Online Creative Community under the Surge of Generative AI: A Case Study of DeviantArt.
Extended Abstracts of the CHI Conference on Human Factors in Computing Systems (CHI 2024 LBW). ACM

2023

Changyang He, Lu He, Zhicong Lu, Bo Li.
“I Have to Use My Son’s QR Code to Run the Business”: Unpacking Senior Street Vendors’ Challenges in Mobile Money Collection in China.
Proceedings of the ACM on Human-Computer Interaction Volume 7, CSCW (CSCW 2023). ACM

Yue Deng, Changyang He, Bo Li.
Understanding Emotional Disclosure via Diary-keeping in Quarantine on Social Media.
Proceedings of The Eleventh International Symposium of Chinese CHI (CHCHI 2023). ACM

Changyang He, Lu He, Zhicong Lu, Bo Li.
Seeking Love and Companionship through Streaming: Unpacking Livestreamer-moderated Senior Matchmaking in China.
Proceedings of the 2023 CHI Conference on Human Factors in Computing Systems (CHI 2023). ACM

Yu Zhang, Changyang He, Huanchen Wang, Zhicong Lu.
Understanding Communication Strategies and Viewer Engagements of Science Knowledge Videos on Bilibili.
Proceedings of the 2023 CHI Conference on Human Factors in Computing Systems (CHI 2023). ACM

Beiyan Cao, Changyang He, Muzhi Zhou, Mingming Fan.
Sparkling Silence: Practices and Challenges of Livestreaming Among Deaf or Hard of Hearing Streamers.
Proceedings of the 2023 CHI Conference on Human Factors in Computing Systems (CHI 2023). ACM

2022 and before

Changyang He*, Yue Deng*, Wenjie Yang, Bo Li.
“Help! Can You Hear Me?”: Understanding How Help-Seeking Posts are Overwhelmed on Social Media during a Natural Disaster.
Proceedings of the ACM on Human-Computer Interaction Volume 6, CSCW (CSCW 2022). (Impact Recognition Award) ACM

Lu He, Changyang He.
Help Me #DebunkThis: Unpacking Individual and Community’s Collaborative Work in Information Credibility Assessment.
Proceedings of the ACM on Human-Computer Interaction Volume 6, CSCW (CSCW 2022). ACM

Changyang He, Huan Liu, Lu He, Tun Lu, Bo Li.
More Collaboration, Less Seriousness: Investigating New Strategies for Promoting Youth Engagement in Government-Generated Videos during the COVID-19 Pandemic in China.
Computers in Human Behavior Volume 126, 2022. Elsevier

Yawen Guo, Jun Zhu, Yicong Huang, Lu He, Changyang He, Chen Li, Kai Zheng.
Public Opinions toward COVID-19 Vaccine Mandates: A Machine Learning-based Analysis of U.S. Tweets.
AMIA Annual Symposium Proceedings 2022 (AMIA 2022). (Second Place in Student Paper Competition Finalist) PubMed

Changyang He, Lu He, Tun Lu, Bo Li.
Beyond Entertainment: Unpacking Danmaku and Comments’ Role of Information Sharing and Sentiment Expression in Online Crisis Videos.
Proceedings of the ACM on Human-Computer Interaction Volume 5, CSCW (CSCW 2021). ACM

Lu He*, Changyang He*, Tera L Reynolds, Qiushi Bai, Yicong Huang, Chen Li, Kai Zheng, Yunan Chen.
Why do people oppose mask wearing? A comprehensive analysis of US tweets during the COVID-19 pandemic.
Journal of the American Medical Informatics Association, 2021. (Editor’s Choice) OXFORD

Yuhu Chang*, Changyang He*, Yingying Zhao, Tun Lu, Ning Gu.
A High-Frame-Rate Eye-Tracking Framework For Mobile Devices.
Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2021). IEEE

Lu He, Changyang He, Yue Wang, Zhaoxian Hu, Kai Zheng, Yunan Chen.
What Do Patients Care About? Mining Fine-grained Patient Concerns from Online Physician Reviews Through Computer-Assisted Multi-level Qualitative Analysis.
AMIA Annual Symposium Proceedings 2020 (AMIA 2020). (Student Paper Competition Finalist) PubMed