Rongjun Ma

schoolAalto Universitybar_chart#1755 Global Rank

Total Papers

HCI Rank

#1755

Research Areas

Years Active

Recent Publications

PrivWeb: Unobtrusive and Content-aware Privacy Protection For Web Agents

While web agents gained popularity by automating web interactions, their requirement for interface access introduces privacy risks that are understudied, particularly from users' perspective. Through a formative study (N=15), we found that users frequently misunderstand agent data practices, and desire unobtrusive, tr…

CHI '261st AuthorAgent Personality & Anthropomorphism +3

Privacy in Human-AI Romantic Relationships: Concerns, Boundaries, and Agency

An increasing number of LLM-based applications are being developed to facilitate romantic relationships with AI partners, yet the safety and privacy risks in these partnerships remain largely underexplored. In this work, we investigate privacy in human–AI romantic relationships through an interview study (N=17), exami…

CHI '263rd AuthorGenerative AI (Text, Image, Music, Video) +3

Privacy and Trust vs. Utility: Adoption of Commercial vs. Institutional AI assistants Among University Users

Generative AI assistants are being rapidly adopted in universities, supporting students in coursework and faculty in academic tasks. To address privacy concerns, some institutions introduced institutional AI assistants, typically wrappers around commercial models (e.g., ChatGPT) with added governance and data protecti…

CSCW '251st AuthorCommunicating properly, interpreting signs

Channel Switching and Adaptive Behaviors in Multichannel Communication

People often use multiple communication apps concurrently for messaging, yet how they use these channels together and the motivations for switching between them remain underexplored. To investigate this, we conducted a two-week diary study followed by interviews (N=17), examining channel-switching practices and the ma…

CHI '251st AuthorAlgorithmic Transparency & Auditability +1

Privacy Perceptions of Custom GPTs by Users and Creators

GPTs are customized LLM apps built on OpenAI's large language model. Any individual or organization can use and create GPTs without needing programming skills. However, the rapid proliferation of over three million GPTs has raised significant privacy concerns. To explore the privacy perspectives of users and creators,…

CHI '231st AuthorKnowledge Worker Tools & Workflows +1

When Browsing Gets Cluttered: Exploring and Modeling Interactions of Browsing Clutter, Browsing Habits, and Coping

In this paper, we investigate browsing clutter, which refers to cluttered experiences of users due to buildup of disorganized browser elements and information. We studied what users experience as clutter, what behaviors and factors contribute to the clutter, and what users do when they experience clutter through an in…

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