Author

Cheng-Yu Yu

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#machine learning Review Oct 2026

TrustmeWatcher: An Application for Workplace Micro-Sensing and Explainable Well-Being Feedback

Workplace sensing studies combine long-running behaviour traces with self-reports, yet the tools that collect those data often sit apart from the interface that returns results. We present TrustmeWatcher, the application built for the TRUST-ME project to connect this work. TrustmeWatcher reuses ActivityWatch's OS-level...

Cheng-Yu Yu, Leonor Costa, Zoja Anžur et al. · 0 citations

#artificial intelligence Preprint Sep 2026

LLM Alignment--Utility Asymmetry under Semantic-Preserving Transformations

Synthetic semantic-preserving transformations that are rule-based and invertible are used as a probe of alignment generalization and suggest that semantic-preserving distribution shifts can expose a recurring gap in how utility and alignment generalize in current LLMs.

Mo-Han Li, Cheng-Yu Yu, Francesco Sovrano et al. · 0 citations

Preprint Aug 2026

DreamGuard: Efficient Runtime Guardrail for LLM Agents via Risk-Aware World Model

As large language model (LLM) agents increasingly invoke external tools and interact with real-world systems, unsafe actions may cause irreversible consequences on external states, user data, and downstream services. Recent runtime guardrails mitigate such risks by checking proposed actions before execution, but many r...

Wenhao Lin, Cheng-Yu Yu, Xingwei Lin et al. · 2 citations