Author

Yoonjin Yoon

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#machine learning Preprint Sep 2026

HypLTSF: A Hyperbolic Geometric View of Multi-Scale Hierarchies for Long-Term Time Series Forecasting

Multi-scale modeling has become an effective approach for long-term time series forecasting, capturing temporal patterns that range from fine-grained local dynamics to coarse global trends. Representations across these temporal scales are inherently hierarchical, with coarser scales abstracting and aggregating informat...

Namwoo Kim, Hyungryul Baik, Yoonjin Yoon · 0 citations

#artificial intelligence Preprint Sep 2026

Synergistic Fusion of Topological Structure and Temporal Semantics of Mobility for Urban Region Embedding

Urban region embeddings have shown promising results in diverse urban sensing tasks such as crime, income, and service-call prediction. Recent methods improve representation quality by integrating mobility data with auxiliary modalities, using cross-view attention or contrastive objectives to align heterogeneous featur...

Namwoo Kim, Jeeyun Chang, Kanghoon Lee et al. · 0 citations