Trang Thi Thu Xuan

schoolUniversity of Vaasabar_chart#5573 Global Rank

Total Papers

HCI Rank

#5573

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Years Active

Recent Publications

"Pathways to the Metaverse": Exploring the User Experience Mechanisms Driving Technology Acceptance in Virtual Lab Visits with an LLM-powered Avatar

Metaverse environments combined with large language models (LLMs) enable guided interaction through LLM-powered avatars that function as embodied conversational agents. In our study, we examined how scholars interact with an LLM-powered avatar modeled after a real professor during a virtual reality (VR) tour of a rese…

DIS '254th AuthorConversational Chatbots +1

When Personas Talk to You: Evaluating the Evolution of User Personas from Static Profiles to Conversational User Interfaces

The development of persona systems provides a possibility for end users to interact with different persona modalities. In a 54-participant randomized controlled experiment, we compare two persona interaction modalities, document and dialogue personas, both generated using AI approaches from survey data. Overall, dialo…

IUI '254th AuthorHuman-LLM Collaboration +2

"You Always Get an Answer": Analyzing Users' Interaction with AI-Generated Personas Given Unanswerable Questions and Risk of Hallucination

We investigated the presence and acceptance of hallucinations (i.e., accidental misinformation) of an AI-generated persona system that leverages large language models for persona creation from survey data in a 54-user within-subjects experiment. After interacting with the personas, users were given a task to ask the p…

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