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Ivor W. Tsang

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Book Open access Aug 2026

Ready to Sim? Inverse Parametric Building Modeling via Universal Anchor Representation for Urban Simulation

Physics-based urban simulations require editable, topology-valid building representations, yet urban data are typically available only as images or segmentation masks. We propose Universal Anchor Representation (UAR), a normalized hierarchical parameterization that constrains inference to bounded coordinates (t,s) \in...

Jaeyeon Kim, Po-Yen Lai, J. Wong et al. · 0 citations
Book Open access Aug 2026

SkillTracer: Structural Failure Attribution and Refinement of Agentic Skills in Long-Horizon Web Tasks

Long-horizon web agents frequently fail without knowing where or why execution broke down. This issue is particularly pronounced in skill-based agentic web systems, where failures arise within composite skills whose internal decision processes are not directly traceable, making precise diagnosis and repair especially d...

Yuyang Li, Yiran Dou, Jiejing Shao et al. · 5 citations

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