5 papers
Lexical Coupling in GUI Element Grounding: Sentence Embeddings Track Labels across Mobile and Web
Qijia Chen, Giulio Jacucci
GUI grounding evaluations that expose UI elements as text metadata often treat high instruction-element embedding similarity as evidence of semantic grounding. Across three mobile…
SkillDroid: Compile Once, Reuse Forever
Qijia Chen, Andrea Bellucci, Zhida Sun +1
LLM-based mobile GUI agents treat every task invocation as an independent reasoning episode, requiring a full LLM inference call at each action step. This per-step dependence makes…
Understanding Newcomer Persistence in Social VR: A Case Study of VRChat
Qijia Chen, Andrea Bellucci, Giulio Jacucci
Newcomers are crucial for the growth of online communities, yet their successful integration into these spaces requires overcoming significant initial hurdles. Social Virtual Reali…
Usage Matters: The Role of Frequency, Duration, and Experience in Presence Formation in Social Virtual Reality
Qijia Chen, Andrea Bellucci, Giulio Jacucci
The sense of presence is central to immersive experiences in Virtual Reality (VR), and particularly salient in socially rich platforms like social VR. While prior studies have expl…
Social, Spatial, and Self-Presence as Predictors of Basic Psychological Need Satisfaction in Social Virtual Reality
Qijia Chen, Andrea Bellucci, Giulio Jacucci
Extensive research has examined presence and basic psychological needs (drawing on Self-Determination Theory) in digital media. While prior work offers hints of potential connectio…