activity
20242026
collaborators

11 papers

cs.HC2026

AI-Wrapped: Participatory, Privacy-Preserving Measurement of Longitudinal LLM Use In-the-Wild

Cathy Mengying Fang, Sheer Karny, Chayapatr Archiwaranguprok +3

Alignment research on large language models (LLMs) increasingly depends on understanding how these systems are used in everyday contexts. Yet naturalistic interaction data is diffi…

cs.HC2025

How AI and Human Behaviors Shape Psychosocial Effects of Extended Chatbot Use: A Longitudinal Randomized Controlled Study

Cathy Mengying Fang, Auren R. Liu, Valdemar Danry +8

As people increasingly seek emotional support and companionship from AI chatbots, understanding how such interactions impact mental well-being becomes critical. We conducted a four…

cs.CV2025

EmoSign: A Multimodal Dataset for Understanding Emotions in American Sign Language

Phoebe Chua, Cathy Mengying Fang, Takehiko Ohkawa +3

Unlike spoken languages where the use of prosodic features to convey emotion is well studied, indicators of emotion in sign language remain poorly understood, creating communicatio…

cs.HC2025

Perspectives on Capturing Emotional Expressiveness in Sign Language

Phoebe Chua, Cathy Mengying Fang, Yasith Samaradivakara +2

Significant advances have been made in our ability to understand and generate emotionally expressive content such as text and speech, yet comparable progress in sign language techn…

cs.HC2025

The Goldilocks Time Window for Proactive Interventions in Wearable AI Systems

Cathy Mengying Fang, Wazeer Zulfikar, Yasith Samaradivakara +2

As AI systems become increasingly integrated into our daily lives and into wearable form factors, there's a fundamental tension between their potential to proactively assist us and…

cs.HC2025

Leveraging AI-Generated Emotional Self-Voice to Nudge People towards their Ideal Selves

Cathy Mengying Fang, Phoebe Chua, Samantha Chan +3

Emotions, shaped by past experiences, significantly influence decision-making and goal pursuit. Traditional cognitive-behavioral techniques for personal development rely on mental…