Author

Yue (Sophie) Guo

Carnegie Mellon University

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#artificial intelligence Preprint Oct 2026

Safe, Persistent, and Evolving Agent Harness for Understanding Partially Observable Worlds

Large language model agents can invoke tools fluently, but enterprise workflows demand more than selecting the right tools: actions must strictly comply with organizational policies, tool feedback often conceals hidden side effects under partial observability, and long-horizon tasks require persistent state tracking ac...

Yi-Sen Gao, Yue (Sophie) Guo, Qing Zong et al. · 0 citations

Preprint Sep 2026

Dream4ACT: A Shared Visual Action Interface for Multi-Embodiment Video-Action Modeling

Video generation models (VGMs) offer strong spatiotemporal priors for embodied observation--action modeling. However, joint-space action vectors lack explicit image-space structure and vary in dimensionality and semantics across embodiments, making it challenging to directly leverage the rich spatiotemporal priors of V...

Xiang-Yu Zhu, Jin Xu, Yue (Sophie) Guo et al. · 0 citations

#natural language process... Review Apr 2026

MedConceal: A Benchmark for Clinical Hidden-Concern Reasoning Under Partial Observability

MedConceal, a benchmark with an interactive patient simulator for evaluating hidden-concern reasoning in medical dialogue, comprising 300 curated cases and 600 clinician-LLM interactions is presented, identifying hidden-concern reasoning under partial observability as a key unresolved challenge for medical dialogue sys...

Yikun Han, Joey Chan, Jingyuan Chen et al. · arXiv.org · 1 citation