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T. Pedersen

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#artificial intelligence Preprint Sep 2026

When Correlations Mislead: Confounder-Aware Multi-View Urban Region Representation Learning

Urban region representation learning commonly combines heterogeneous data sources, such as mobility flows, points of interest, and land-use information, to support tasks including mobility analysis, public safety forecasting, and service demand estimation. Existing multi-view methods typically improve region embeddings...

Sean Bin Yang, Ying Sun, Zong-Yi Xu et al. · 0 citations
Preprint Aug 2026

Using Lower-Bound Representations for Trajectory Similarity Learning

Trajectory similarity learning is fundamental to efficient trajectory retrieval under complex distance measures. Existing learning-based methods typically rely on embeddings trained to approximate trajectory distances or rankings, but they often lack guarantees with respect to the original distances, exhibit unstable p...

Liwei Deng, Hao Meng, Yupu Zhang et al. · 0 citations
#artificial intelligence Preprint Aug 2026

Robustness Analysis of Agentic AI to Inconsistent and Incomplete Tool Responses

The results show that tool failures can be recognized at the return boundary, but reliable diagnosis requires combining multiple signals, and likelihood-based signals clearly capture incomplete returns and some direct inconsistencies, while action-based signals reveal how strongly a failure changes the next decision.

Jiachen Xu, T. Pedersen, Zhongming Yao et al. · 0 citations

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