Hey, this is Yuanhao. I am currently a Ph.D. Candidate at the HCI Initiative of Hong Kong University of Science and Technology (HKUST), supervised by Prof. Xiaojuan Ma. Prior to that, I earned my Bachelor’s Degree in Computer Science at HKUST.
My research interests lie in human-AI interaction and social computing. I apply human-centered design principles to design, develop, and evaluate interactive AI systems that support online community members in both contributing and consuming information. I aim to explore how to design human-GenAI co-existing online communities, where humans and AI agents complement each other’s strengths to foster a thriving community.
🔥 News
- 2025.02: ✏️✏️ I will serve as an associate chair (AC) of the CHI 2025 Late Breaking Works track!
- 2025.01: 🎉🎉 Two papers conditionally accepted to CHI 2025. Thanks to my co-authors!
- 2025.01: 🎤🎤 Passed my PhD Qualifying Exam!
- 2024.10: 🌉🌉 Attended UIST 2024 in Pittsburgh!
- 2024.05: 🏄♂️🏄♂️ Have my first CHI travel in Hawaii!
📝 Publications

CoKnowledge: Supporting Assimilation of Time-synced Collective Knowledge in Online Science Videos
Yuanhao Zhang, Yumeng Wang, Xiyuan Wang, Changyang He, Chenliang Huang, and Xiaojuan Ma
- We developed CoKnowledge — a tool incorporating video abstracts, knowledge graphs, and supplementary danmaku features support viewers’ assimilation of collective knowledge in online science videos.

DBox: Scaffolding Algorithmic Programming Learning through Learner-LLM Co-Decomposition
Shuai Ma, Junling Wang, Yuanhao Zhang, Xiaojuan Ma, and April Wang
- We introduced Decomposition Box (DBox), an LLM-based interactive system that scaffolds and adapts to learners’ personalized construction of a step tree by providing just the right level of support.

Be There, Be Fun, Be Streamed! Designing Interactive AR Scenic Live-Streaming.
Zeyu Huang, Zuyu Xu, Yuanhao Zhang, Chengzhong Liu, Yanwei Zhao, Chuhan Shi, Chen Zhao, and Xiaojuan Ma
- We propose a medium called Augmented Reality Scenic Live-Streaming (ARSLS), where additional virtual content is superimposed and integrated into the real-world scene to actualize proper audience interactions in scenic-oriented live streams.

DiscipLink: Unfolding Interdisciplinary Information Seeking Process via Human-AI Co-Exploration
Chengbo Zheng, Yuanhao Zhang, Zeyu Huang, Chuhan Shi, Minrui Xu, and Xiaojuan Ma
- We introduce DiscipLink, a novel interactive system that facilitates collaboration between researchers and large language models (LLMs) in interdisciplinary information seeking (IIS).

Zeyu Huang, Xinyi Cao, Yuanhao Zhang, and Xiaojuan Ma.
- We propose an afective communication approach on online video platforms that senses, aggregates, and presents viewers’ frissons while watching videos asynchronously.

Exploring the Effects of Self-Mockery to Improve Task-Oriented Chatbot’s Social Intelligence
Chengzhong Liu, Shixu Zhou, Yuanhao Zhang, Shixu Zhou, Dingdong Liu, Zhenhui Peng, and Xiaojuan Ma.
- We proposed to apply self-mockery humor to a customer service chatbot in different interaction stages with users to improve chatbots’ overall social intelligence.

Reza Hadi Mogavi, Bingcan Guo, Yuanhao Zhang, Ehson UI Haq, Pan Hui, and Xiaojuan Ma.
- We conducted the first extensive qualitative research on gamification misuse in a popular learning app called Duolingo. This study consists of two phases: (I) a content analysis of data from Duolingo forums (from the past nine years) and (II) semi-structured interviews with 15 international Duolingo users.

Reza Hadi Mogavi, Yuanhao Zhang, Yongjin Wu, Pan Hui, and Xiaojuan Ma.
- We conduct an extensive qualitative case study of users’ experiences with a promotional gamification scheme on the Community Question Answering Website (CQA) of Stack Exchange, called Winter Bash (WB).
🎖 Honors and Awards
- 2023-2027 Hong Kong PhD Fellowship Scheme @ HKUST
- 2023 RedBird PhD Award @ HKUST
- 2023 Academic Achievement Medal @ HKUST
- 2022 Methods Recognitions Award @ CSCW2022
- 2022 Honorable mentions Award @ L@S 2022
- 2020-2023 Dean’s Lists @ School of Engineering, HKUST
- 2020-2023 Scholarship Scheme for Continuing Undergraduate Students @ HKUST
💻 Service
- Program Committee: CHI LBW 2025
- Reviewer: CHI PLAY 2023, CHI LBW 2023, CSCW 2024, CHI 2025, CSCW 2025, DIS 2025