90 citations · 140 across the 19 of their papers we have counts for
19 papers
PromptShield Home: Ambient Multimodal Prompt Injection Defense for Smart-Home Agents
He Zhang, Feilong Li, Dingning Long +5
Smart-home assistants increasingly use multimodal large language models (MLLMs) that perceive video and audio directly. This raises a safety question specific to the home: can the…
Ethics and Social Responsibility in AI-Assisted Interviewing: An LLM-in-the-Loop Study of AI-Generated Follow-Up Questions
He Zhang, Yueyan Liu, Xin Guan +2
Semi-structured interviews rely on timely, context-sensitive follow-up questions, yet interviewers' cognitive load and limited domain familiarity can constrain probing depth. We re…
Comparative Analysis of Human vs. AI-powered Support in VRChat Communities on Discord: User Engagement, Response Dynamics and Interaction Patterns
He Zhang, Bumjin Kim, John M. Carroll +1
The integration of AI-driven support systems within online communities has opened new avenues for enhancing user engagement and support efficiency in recent years. This study inves…
Twitch Third-Party Developers' Support Seeking and Provision Practices on Discord
Jie Cai, He Zhang, Yueyan Liu +2
Third-party developers (TPDs) often turn to online communities for support when they can't get immediate responses from the platform. Twitch, as a leading live streaming platform,…
Monetizing Generative AI: YouTubers' Collective Knowledge on Earning from Generative AI Content
Shuo Niu, Yao Lyu, He Zhang +3
Generative Artificial Intelligence (GenAI) is reshaping creative labor by enabling the rapid production of text, images, and videos. On YouTube, creators are developing new ways to…
Harnessing the Power of AI in Qualitative Research: Role Assignment, Engagement, and User Perceptions of AI-Generated Follow-Up Questions in Semi-Structured Interviews
He Zhang, Yueyan Liu, Xin Guan +2
Semi-structured interviews highly rely on the quality of follow-up questions, yet interviewers' knowledge and skills may limit their depth and potentially affect outcomes. While ma…
AI Trust Reshaping Administrative Burdens: Understanding Trust-Burden Dynamics in LLM-Assisted Benefits Systems
Jeongwon Jo, He Zhang, Jie Cai +1
Supplemental Nutrition Assistance Program (SNAP) is an essential benefit support system provided by the US administration to 41 million federally determined low-income applicants.…
Beyond Visual Perception: Insights from Smartphone Interaction of Visually Impaired Users with Large Multimodal Models
Jingyi Xie, Rui Yu, He Zhang +3
Large multimodal models (LMMs) have enabled new AI-powered applications that help people with visual impairments (PVI) receive natural language descriptions of their surroundings t…
Enhancing the Travel Experience for People with Visual Impairments through Multimodal Interaction: NaviGPT, A Real-Time AI-Driven Mobile Navigation System
He Zhang, Nicholas J. Falletta, Jingyi Xie +4
Assistive technologies for people with visual impairments (PVI) have made significant advancements, particularly with the integration of artificial intelligence (AI) and real-time…
AI Governance in Higher Education: Case Studies of Guidance at Big Ten Universities
Chuhao Wu, He Zhang, John M. Carroll
Generative AI has drawn significant attention from stakeholders in higher education. As it introduces new opportunities for personalized learning and tutoring support, it simultane…
When Qualitative Research Meets Large Language Model: Exploring the Potential of QualiGPT as a Tool for Qualitative Coding
He Zhang, Chuhao Wu, Jingyi Xie +5
Qualitative research, renowned for its in-depth exploration of complex phenomena, often involves time-intensive analysis, particularly during the coding stage. Existing software fo…
The Future of Learning: Large Language Models through the Lens of Students
He Zhang, Jingyi Xie, Chuhao Wu +3
As Large-Scale Language Models (LLMs) continue to evolve, they demonstrate significant enhancements in performance and an expansion of functionalities, impacting various domains, i…
Emerging Practices for Large Multimodal Model (LMM) Assistance for People with Visual Impairments: Implications for Design
Jingyi Xie, Rui Yu, He Zhang +3
People with visual impairments perceive their environment non-visually and often use AI-powered assistive tools to obtain textual descriptions of visual information. Recent large v…
Exploring Virtual Reality through Ihde's Instrumental Realism
He Zhang, John M. Carroll
Based on Ihde's theory, this paper explores the relationship between virtual reality (VR) as an instrument and phenomenology. It reviews the "technological revolution" spurred by t…
Third-Party Developers and Tool Development For Community Management on Live Streaming Platform Twitch
Jie Cai, Ya-Fang Lin, He Zhang +1
Community management is critical for stakeholders to collaboratively build and sustain communities with socio-technical support. However, most of the existing research has mainly f…
Multi-channel Sensor Network Construction, Data Fusion and Challenges for Smart Home
He Zhang, Robin Ananda, Xinyi Fu +4
Both sensor networks and data fusion are essential foundations for developing the smart home Internet of Things (IoT) and related fields. We proposed a multi-channel sensor network…
QualiGPT: GPT as an easy-to-use tool for qualitative coding
He Zhang, Chuhao Wu, Jingyi Xie +2
Qualitative research delves deeply into individual complex perspectives on technology and various phenomena. However, a meticulous analysis of qualitative data often requires a sig…
Redefining Qualitative Analysis in the AI Era: Utilizing ChatGPT for Efficient Thematic Analysis
He Zhang, Chuhao Wu, Jingyi Xie +3
AI tools, particularly large-scale language model (LLM) based applications such as ChatGPT, have the potential to simplify qualitative research. Through semi-structured interviews…
Reconnecting An International Travel Network: The Personal Infrastructuring Work of International Travelers in A Multi-facet Crisis
Yao Lyu, He Zhang, John M. Carroll
In times of crisis, international travel becomes tenuous and anxiety provoking. The crisis informatics and Human-Computer Interaction (HCI) community has paid increasing attention…